Vita
Daniel Z. Levin
Professor
Management and Global Business Dept.
Rutgers Business School – Newark and New Brunswick
Rutgers University
1 Washington Park
Newark, NJ 07102
telephone: (973) 353-5983
e-mail: Levin [at] business.rutgers.edu
homepage: http://www.levin.rutgers.edu
Education
J. L. Kellogg Graduate School of Management
Northwestern University, Evanston, IL
Ph.D., Organization Behavior (Dec. 1999)
M.S., Organizational Science (Jun. 1996)
University of Pennsylvania, Philadelphia, PA
B.A., American History (May 1990)
Summa Cum Laude
Member, Phi Beta Kappa
Benjamin Franklin Scholar – Honors Program
Academic Positions
Professor, Rutgers University (2014-present)
Associate Professor, Rutgers University (2005-2014)
Assistant Professor, Rutgers University (1999-2005)
Adjunct Lecturer, Rutgers University (1998-1999)
Research Interests
Knowledge sharing and advice seeking, especially the role of social networks, relationships, dormant ties, emotion, and trust.
Research Awards, Fellowships, and Grants
Co-Principal Investigator, National Science Foundation’s Innovation Corps (I-Corps), Northeast Hub Research Grant (2022).
Dean’s Award for Meritorious Research, Rutgers Business School – Newark and New Brunswick (2021).
Best Symposium Award (of 259 submissions), Academy of Management, Organizational Behavior (OB) Division, for “The Role of Memory and Cognition (vs. Activity and Behavior) in Social Networks” (2019).
Selected by OB Division’s Making Connections Committee as one of two OB Experts in Networks for “Making Connections with OB Experts: A Networking Social” session at Academy of Management conference (2019).
Outstanding Group & Organization Management (GOM) Paper in 2016, for “Relational Enhancement: How the Relational Dimension of Social Capital Can Unlock the Value of Network-Bridging Ties” (2017).
Dean’s Award for Meritorious Research, Rutgers Business School – Newark and New Brunswick (2016).
Selected to present research (“Dormant Ties: The Value of Reconnecting”) at Chancellor/Provost Research Day, Rutgers University-Newark (2016).
Lead Article, MIT Sloan Management Review homepage (2/26/2016), for “How to Reconnect for Maximum Impact” (2016).
Bright Idea Award (2014), sponsored by Stillman School of Business at Seton Hall University and the NJPRO Foundation, for “Connections to Distant Knowledge: Interpersonal Ties Between More- and Less-Developed Countries” in Journal of International Business Studies.
Chesed Faculty Award for Innovative Research (one awarded per year), Rutgers Business School – Newark and New Brunswick (2014).
Best Student Paper Award (Senior Co-Author), Academy of Management, MOC Division, for “Network Shadows: The Perceptual and Performance Implications of Intra-Organizational Dormant Ties” (2014).
Summer Award for Research Excellence (one of two awarded), Rutgers Business School – Newark and New Brunswick (2014).
Editor’s Picks: Top Ten Articles from 2011, MIT Sloan Management Review, for “The Power of Reconnection — How Dormant Ties Can Surprise You” (2011).
Faculty Research Support Award, Technology Management Research Center, Rutgers Business School – Newark and New Brunswick (2008-09; 2009-10).
Bright Idea Award (2007), sponsored by Stillman School of Business at Seton Hall University and the NJPRO Foundation, for “Perceived Trustworthiness of Knowledge Sources: The Moderating Impact of Relationship Length” in Journal of Applied Psychology.
Featured Article, Management Science homepage for Nov. 2004 issue (chosen by the Editor-in-Chief), for “The Strength of Weak Ties You Can Trust: The Mediating Role of Trust in Effective Knowledge Transfer” (2004).
Finalist, Best Paper Award, Academy of Management Executive, for “Nurturing Interpersonal Trust in Knowledge-Sharing Networks” (2003).
Summer Fellowship Awards, Research Resources Committee, Rutgers Business School – Newark and New Brunswick (2003; 2004; 2005).
Senior Researcher, Alfred P. Sloan Foundation Research Grant for the Study of Learning by Engineering Professionals in Corporate Settings (2003-2005).
Best Paper Award, Academy of Management, MOC Division, for “The Strength of Weak Ties You Can Trust: The Mediating Role of Trust in Effective Knowledge Transfer” (2002).
Junior Faculty Research Award, Rutgers Business School – Newark and New Brunswick (2002).
Finalist, Junior Faculty Research Award, Rutgers Business School – Newark and New Brunswick (2001).
Finalist, INFORMS/Organization Science Dissertation Proposal Competition (1997).
Best Student Paper Award, Academy of Management, TIM Division, for “Organizational Learning and the Transfer of Knowledge: An Investigation of Quality Improvement” (1997).
Journal Articles
Rondi, E., Levin, D. Z., & De Massis, A. (2024).
“The Reconnection Process: Mobilizing the Social Capital of Dormant Ties.” Organization Science, 35(2), 573-600.
Rondi, E., Levin, D. Z., & De Massis, A. (2023).
“Reconnecting When Network Ties Go Dormant.” MIT Sloan Management Review. Reprint #65203.
Kwon, S.-W., Rondi, E., Levin, D. Z., De Massis, A., & Brass, D. (2020).
“Network Brokerage: An Integrative Review and Future Research Agenda.” Journal of Management, 46(6), 1092-1120.
Levin, D. Z. & Kurtzberg, T. R. (2020).
“Sustaining Employee Networks in the Virtual Workplace.” MIT Sloan Management Review, 61(4), 13-15.
McCarthy, J. & Levin, D. Z. (2019).
“Network Residues: The Enduring Impact of Intra-Organizational Dormant Ties.” Journal of Applied Psychology, 104(11), 1434-1445.
Levin, D. Z. & Walter, J. (2019).
“Before They Were Ties: Predicting the Value of Brand-New Connections.” Journal of Management, 45(7), 2861-2890.
Levin, D. Z. & Walter, J. (2018).
“Is Tie Maintenance Necessary?” Academy of Management Discoveries, 4(4), 497-500.
Shah, N. P., Levin, D. Z., & Cross, R. (2018).
“Secondhand Social Capital: Boundary Spanning, Secondhand Closure, and Individual Performance.” Social Networks, 52, 18-27.
Shah, N. P., Cross, R., & Levin, D. Z. (2018).
“Performance Benefits from Providing Assistance In Networks: Relationships That Generate Learning.” Journal of Management, 44(2), 412-444.
Levin, D. Z., Walter, J., Appleyard, M. M., & Cross, R. (2016).
“Relational Enhancement: How the Relational Dimension of Social Capital Can Unlock the Value of Network-Bridging Ties.” Group & Organization Management, 41(4), 415-457.
Walter, J., Levin, D. Z., & Murnighan, J. K. (2016).
“How to Reconnect for Maximum Impact.” MIT Sloan Management Review, 57(3), 18-20.
Walter, J., Levin, D. Z., & Murnighan, J. K. (2015).
“Reconnection Choices: Selecting the Most Valuable (vs. Most Preferred) Dormant Ties.” Organization Science, 26(5), 1447-1465.
Levin, D. Z. & Barnard, H. (2013).
“Connections to Distant Knowledge: Interpersonal Ties Between More and Less Developed Countries.” Journal of International Business Studies, 44(7), 676-698.
Levin, D. Z., Walter, J., & Murnighan, J. K. (2011a).
“Dormant Ties: The Value of Reconnecting.” Organization Science, 22(4), 923-939.
Levin, D. Z., Walter, J., & Murnighan, J. K. (2011b).
“The Power of Reconnection — How Dormant Ties Can Surprise You.” MIT Sloan Management Review, 52(3), 45-50.
Levin, D. Z., Kurtzberg, T., Phillips, K. W., & Lount, R. B., Jr. (2010).
“The Role of Affect in Knowledge Transfer.” Group Dynamics, 14(2), 123-142.
Levin, D. Z. & Barnard, H. (2008).
“Technology Management Routines That Matter to Technology Managers.” International Journal of Technology Management, 41(1/2), 22-37.
Levin, D. Z., Whitener, E. M., & Cross, R. (2006).
“Perceived Trustworthiness of Knowledge Sources: The Moderating Impact of Relationship Length.” Journal of Applied Psychology, 91(5), 1163-1171.
Levin, D. Z. & Cross, R. (2004).
“The Strength of Weak Ties You Can Trust: The Mediating Role of Trust in Effective Knowledge Transfer.” Management Science, 50(11), 1477-1490. Most-cited Rutgers Business School article in Web of Science since 2000.
Abrams, L. C., Cross, R., Lesser, E., & Levin, D. Z. (2003).
“Nurturing Interpersonal Trust in Knowledge-Sharing Networks.” Academy of Management Executive, 17(4), 64-77.
Levin, D. Z. (2002).
“Which Way Is Jerusalem? Which Way Is Mecca? The Direction-Facing Problem in Religion and Geography.” Journal of Geography, 101(1), 27-37. [for fun]
Thouati, M. G., Radnor, M., & Levin, D. Z. (2001).
“Corporate Growth Engines: Driving to Sustainable Strategic Advantage.” International Journal of Manufacturing Technology and Management, 3(1/2), 49-74.
Levin, D. Z. (2000).
“Organizational Learning and the Transfer of Knowledge: An Investigation of Quality Improvement.” Organization Science, 11(6), 630-647.
Hirsch, P. M. & Levin, D. Z. (1999).
“Umbrella Advocates Versus Validity Police: A Life-Cycle Model.” Organization Science, 10(2), 199-212.
Shortell, S., Levin, D. Z., O’Brien, J., & Hughes, E. F. X. (1995).
“Assessing the Evidence on CQI: Is the Glass Half Empty or Half Full?” Journal of Hospital and Health Services Administration, 40(1), 4-24.
Book Chapters
Levin, D. Z., Cross, R., Abrams, L. C., & Lesser, E. L. (2004).
“Trust and Knowledge Sharing: A Critical Combination.” In E. L. Lesser & L. Prusak (Eds.), Creating Value with Knowledge, pp.36-41. Oxford: Oxford University Press.
Published Conference Proceedings
Burmeister, A. & Levin, D. Z. (2024).
“Reframing Networking as Benefiting the Other Person (vs. Oneself) Encourages Advice Seeking.” Best Papers Proceedings of the Academy of Management.
Levin, D. Z., Walter, J., & Murnighan, J. K. (2016).
“Before They Were Ties: Predicting the Value of Brand-New Connections.” Best Papers Proceedings of the Academy of Management.
McCarthy, J. & Levin, D. Z. (2014).
“Network Shadows: The Perceptual and Performance Implications of Intra-Organizational Dormant Ties.” Best Papers Proceedings of the Academy of Management.
Levin, D. Z., Walter, J., & Murnighan, J. K. (2008).
“Dormant Ties: The Value of Reconnecting.” Best Papers Proceedings of the Academy of Management.
Levin, D. Z., Whitener, E. M., & Cross, R. (2004).
“Perceived Trustworthiness of Knowledge Sources: The Moderating Impact of Relationship Length.” Best Papers Proceedings of the Academy of Management.
Levin, D. Z., Cross, R., & Abrams, L. C. (2002).
“The Strength of Weak Ties You Can Trust: The Mediating Role of Trust in Effective Knowledge Transfer.” Best Papers Proceedings of the Academy of Management.
Levin, D. Z. (1997).
“Organizational Learning and the Transfer of Knowledge: An Investigation of Quality Improvement.” Best Papers Proceedings of the Academy of Management.
Other Publications
Levin, D. Z. (2010).
“Social Networks Even Better in Person.” CJ Magazine, 4(2), 27-28+.
Blank, J. D. & Levin, D. Z. (2010).
“When Is Tax Enforcement Publicized?” Virginia Tax Review, 30(1), 1-37 [top-tier law review]. Cited by N.Y. Times.com, March 31, 2010; Forbes.com, April 4, 2012.
Levin, D. Z. (2009).
“Ridgecrest School Dispute.” In R. J. Lewicki, D. M. Saunders, & B. Barry (Eds.), Negotiation: Readings, Exercises and Cases, 6th ed. (pp. 521-527). New York: McGraw-Hill.
Levin, D. Z. (2008).
“Trust.” Entry in S. R. Clegg & J. R. Bailey (Eds.), International Encyclopedia of Organization Studies (pp. 1573-1579). Thousand Oaks, CA: Sage.
Levin, D. Z. (1988).
“Measuring a Gerrymander.” Michigan Journal of Political Science, 9 (Winter), 63-69.
Unpublished Manuscripts
Barnard, H. & Levin, D. Z. (2013).
“Intermediate Learning and the (Re)creation of Knowledge: How Firms Use Imitation to Introduce New Organizational Routines.”
Levin, D. Z. (2006).
“Effect of Monitoring and Learning on the Decoupling of TQM Practices: The Role of Adoption Timing.”
Levin, D. Z. & Shortell, S. M. (2006).
“Does Large Size Always Slow Down Learning and Implementation? The Role of Motivation and Culture.”
Works in Progress
Levin, D. Z., Sheldon, O., & Van Zant, A. B. (revise and resubmit).
“Face Memory and Networks.” Academy of Management Journal.
Burmeister, A. & Levin, D. Z. (revise and resubmit).
“An Other-Oriented Perspective on Networking.” Academy of Management Journal.
Ross, J. R., Mehra, A., Levin, D. Z., Walter, J., & Borgatti, S. (write-up phase).
“The Tie Over Time: Meaning, Memory, and Temporal Form.” Targeted for Organization Science.
Sheinfeld, E., Levin, D. Z., & Grosser, T. J. (write-up phase).
“The Effect of Gender on the Value of Maintaining Mobility Ties.” Targeted for Journal of Applied Psychology.
Piplani, R. S., Grosser, T. J., Levin, D. Z., & Quintane, E. (data-analysis phase).
“Emotional and Relational Consequences of Network Brokering Behaviors in the Workplace.”
Kang, H., Levin, D. Z., & Villanueva, J. (data-collection phase).
“Networking with Strangers Versus Active Ties, and the Peculiar Case of Dormant Ties.” Targeted for Administrative Science Quarterly.
Bailey, A. & Levin, D. Z. (data-collection phase).
“Tell Me Something New: The Impact of Novelty Surfacing, a Knowledge Search Behavior, on Entrepreneurial Performance.” Targeted for Organization Science.
Lee, J. W., Levin, D. Z., & Landis, B. (data-collection phase).
“Converting Parasocial Ties into Social Capital: The Value of Connections to Strangers Who Don’t Feel Like Strangers.”
Levin, D. Z., Methot, J. R., Shim, H., & Shin, J. (data-collection phase).
“The Effects of Network Brokerage on Workplace Loneliness.”
Blunden, H., Park, Y., & Levin, D. Z. (data-collection phase).
“Walking on Eggshells: The Impact of Ostracism Anxiety on Social Networks.”
Conference Presentations
Academy of Management annual meetings (refereed papers):
Burmeister, A. & Levin, D. Z. (2024).
“Reframing Networking as Benefiting the Other Person (vs. Oneself) Encourages Advice Seeking.” Chicago.
Piplani, R. S., Grosser, T. J., Levin, D. Z., & Quintane, E. (2024).
“Emotional and Relational Consequences of Network Brokering Behaviors in the Workplace.” Chicago.
Bailey, A. & Levin, D. Z. (2023).
“Tell Me Something New: The Impact of Novelty Surfacing, a Networking Behavior, on Entrepreneurial Performance.” Boston.
Ross, J. R., Mehra, A., Levin, D. Z., Walter, J., & Borgatti, S. (2023).
“The Tie Over Time: Meaning, Memory, and Temporal Form.” Boston.
Sheinfeld, E. & Levin, D. Z. (2022).
“Mobility Ties: Which Ties to Former Coworkers Are Maintained Versus Become Dormant?” Seattle.
Levin, D. Z. (2021).
“Face Memory and Networks.” Online.
Levin, D. Z. & Walter, J. (2019).
“Is Tie Maintenance Really Necessary?” Boston.
Ross, J., Mehra, A., Levin, D. Z., & Walter, J. (2019).
“Dormant Ties: A Review and Agenda for Research.” Boston.
Methot, J. R., Levin, D. Z., & Shim, H. (2019).
“The Effects of Network Brokerage on Workplace Loneliness.” Boston.
Levin, D. Z., Walter, J., & Murnighan, J. K. (2016).
“Before They Were Ties: Predicting the Value of Brand-New Connections.” Anaheim, CA.
Shah, N. P., Levin, D. Z., & Cross, R. (2016).
“Secondhand Closure and Individual Performance.” Anaheim, CA.
Methot, J. R., Rosado-Solomon, E., & Levin, D. Z. (2016).
“Friend and Foe: The Psychological and Social Network Effects of Ambivalent Relationships.” Nominated and accepted for presentation in the All-Academy Theme “Making Organizations Meaningful” program. Anaheim, CA.
Methot, J. R., Downes, P. E., & Levin, D. Z., & Sharma, P. N. (2015).
“Peer Ties and Voice: The Effects of Constructive Voice on Liking and Competence Perceptions.” Vancouver.
McCarthy, J. & Levin, D. Z. (2014).
“Network Shadows: The Perceptual and Performance Implications of Intra-Organizational Dormant Ties.” Philadelphia.
Cross, R., Levin, D. Z., & Shah, N. P. (2012).
“A Multidimensional View of Providing Assistance through Workplace Ties: Performance Implications.” Boston.
Levin, D. Z., Walter, J., & Murnighan, J. K. (2011).
“Reconnection Choices and the Dominance of the Irrelevant Past.” San Antonio.
Levin, D. Z. & Barnard, H. (2011).
“Connections to Distant Knowledge: Expatriate Ties and the Developing World.” San Antonio.
Levin, D. Z., Walter, J., Appleyard, M. M. (2010).
“Trusted Bridging Ties: A Dyadic Solution to the Brokerage-Closure Dilemma.” Montreal.
McNamee, R. C. & Levin, D. Z. (2010).
“Understanding Unsolicited Knowledge: A Problem-Solving Process Framework for Knowledge Exchanges.” Montreal.
Levin, D. Z., Walter, J., & Murnighan, J. K. (2009).
“Dormant Ties: Reconnection Choices and the Value of Reconnecting.” Chicago.
McNamee, R. C. & Levin, D. Z. (2009).
“Knowledge Exchange in Organizations: Integrating Knowledge, Creativity, and Innovation Perspectives.” Chicago.
Levin, D. Z., Walter, J., & Murnighan, J. K. (2008).
“Dormant Ties: The Value of Reconnecting.” Anaheim, CA.
Levin, D. Z., Walter, J., Appleyard, M. M. (2007).
“What’s in a Tie? Knowledge Transfer and the Dimensions of Dyadic Social Capital.” Philadelphia.
Levin, D. Z., Kurtzberg, T., & Phillips, K. W. (2005).
“The Role of Mood in Knowledge Transfer and Learning.” Honolulu.
Levin, D. Z., Whitener, E. M., & Cross, R. (2004).
“Perceived Trustworthiness of Knowledge Sources: The Moderating Impact of Relationship Length.” New Orleans.
Levin, D. Z., Cross, R., & Abrams, L. C. (2002).
“The Strength of Weak Ties You Can Trust: The Mediating Role of Trust in Effective Knowledge Transfer.” Denver.
Levin, D. Z., Cross, R., & Abrams, L. C. (2002).
“Why Should I Trust You? Antecedents of Trust in a Knowledge Transfer Context.” Denver.
Levin, D. Z. (2001).
“Institutionalism, Learning, and Patterns of Decoupling: The Case of Total Quality Management.” Washington, D.C.
Levin, D. Z. (1999).
“What’s in an Organizational Routine? ‘Unpacking’ Knowledge Management.” Chicago.
Levin, D. Z. (1997).
“Organizational Learning and the Transfer of Knowledge: An Investigation of Quality Improvement.” Boston.
Levin, D. Z., Radnor, M., & Thouati, M. G. (1997).
“Using a Process View of Organizations to Understand the Management of Technology.” Boston.
Levin, D. Z. & Shortell, S. (1996).
“Desire to Implement and Ability to Implement: The Case of Total Quality Management.” Cincinnati.
Hirsch, P. M. & Levin, D. Z. (1995).
“The Rise and Fall of Organizational Effectiveness: A Cautionary Tale.” Vancouver.
INFORMS (Institute for Operations Research and the Management Sciences) meetings:
Levin, D. Z. (Nov. 1999).
“The Underlying Elements of Two Critical Organizational Routines: ‘Unpacking’ Knowledge Management.” Philadelphia.
Levin, D. Z., Radnor, M., & Thouati, M. G. (Nov. 1996).
“Root Causes of Technology Transfer Failure.” Atlanta.
Radnor, M., Levin, D. Z., Strauss, J. D., & Thouati, M. G. (Nov. 1996).
“Coupling of Technology Management and Strategic Planning Processes: The State of the Art.” Atlanta.
PICMET (Portland International Conference on Management of Engineering and Technology) meeting:
Levin, D. Z. & Radnor, M. (1997).
“Transferring Knowledge within the Company in the R&D Arena.” Portland.
SMS (Strategy Management Society) meeting (refereed papers):
Levin, D. Z., Walter, J., Appleyard, M. M., & Cross, R. (2012).
“Relational Enhancement: How to Unlock the Value of Network Bridges.” Prague.
Conference Participation
Academy of Management annual meetings:
Paper Symposium Organizer (2023): “Overlooked Ties: An Examination of Neglected, Rare, or Special Relationships in Organizational Networks.” Boston.
Paper Symposium Organizer (2022): “Relationship and Network Shocks.” Seattle.
Paper Symposium Organizer (2019): “The Role of Memory and Cognition (vs. Activity and Behavior) in Networks.” Boston.
Session Chair (2018): “Developing Better Theoretical Constructs.” Chicago.
Session Chair (2017): “Strategic Alliances and Coopetition: Costs and Benefits.” Atlanta.
Paper Symposium Discussant (2014): “Connections to Local and Distant Communities: Geography, Cross-Border Resource Flows, and Entrepreneurial Activities.” Philadelphia.
Session Chair (2013): “Entrepreneurs, Networks and Markets.” Orlando.
Paper Symposium Organizer (2009): “Decay, Death, and Rebirth of Networks and Network Ties.” Chicago.
Program Chair, All-Academy Caucuses (2003). Seattle.
Session Facilitator (2001): “Social Capital.” Washington, D.C.
Session Chair (2000): “Make, Buy, or Partner: Managing Innovation Webs.” Toronto.
Invited University Talks
Baruch, Berkeley, Cambridge, Carnegie Mellon, Chicago, Columbia, Connecticut, CUHK, Georgetown, INSEAD, Johns Hopkins, Kellogg, Kentucky, London Business School, Maryland, Michigan, Purdue, Wharton
Professional Membership
Steering Committee Member, Social Network Society (SNS) at Academy of Management
Member, Academy of Management
Reviewing
Academy of Management Journal
Academy of Management Review
Administrative Science Quarterly
European Management Journal
IEEE Transactions on Engineering Management
Journal of Applied Psychology
Journal of Management Studies
Journal of Trust Research
Management Science
MIT Sloan Management Review
Organization Science
Organizational Behavior and Human Decision Processes
Production and Operations Management
Strategic Management Journal
Academy of Management annual meetings
Teaching Awards
Dean’s Award for Meritorious Teaching, Rutgers Business School – Newark and New Brunswick (2016).
Professor of the Year, Newark Flex MBA Program, Rutgers Business School – Newark and New Brunswick (2014).
Most Promising Professor in the Management Department, Dean’s Advisory Council’s Annual Professor Polls Awards, Undergraduate-Newark Program, Rutgers Business School – Newark and New Brunswick (2014).
Dean’s Award for Meritorious Teaching, Rutgers Business School – Newark and New Brunswick (2011).
Junior Faculty Teaching Award, Rutgers Business School – Newark and New Brunswick (2002).
Teaching Experience
Instructor, Executive MBA, MBA, and undergraduate-level courses, Management and Global Business Dept., Rutgers Business School – Newark and New Brunswick, Rutgers University (spring 1999 – present)
Management Skills
Negotiations
Networking & Influence in Business / Managing Social and Political Capital
Organizational Design and Change
Organizational Behavior
MBA-level courses, Management & Organizations Department, J. L. Kellogg Graduate School of Management, Northwestern University.
Instructor, Negotiations (summer, fall 1996; fall 1997).
Assistant Teacher, International Technology Strategy (winter 1997; winter 1998).
Relevant Business Experience, 1984-1993
Oliver Wyman (formerly Mercer Management Consulting), Lexington, MA
Research Analyst, Organization Planning and Development practice (1990-1993).
Insync Corporation, a Developer of Management Software, Washington, D.C.
Researcher, Study of literature on total quality management (summer 1989).
U.S. Department of Labor, Washington, D.C.
Interviewer, National Database of Labor-Management Cooperation and Employee Involvement Programs (summers 1987, 1988).
U.S. Government Accountability Office, Washington, D.C.
Analyst, National Productivity Group (summers 1984, 1985, 1986).
Last updated 10/21/2024