1. Ahmad, S., Mehar, S., Siddique, N., & Khan, M. A. (2021). Global research on Andragogy: A bibliometric analysis. Library Philosophy and Practice (e-journal).https://digitalcommons. unl. edu/libphilprac/5575
2. Effects of Autonomy-Supportive and Controlling Styles on Situational Self-Determined Motivation: Some Unexpected Results of the Commitment Procedure
3. Role of self-concept in organizations. European Journal of Economics;M.Beheshtifar;Finance and Administrative Sciences,2012
4. Situational Leadership® After 25 Years: A Retrospective
5. Brecko, D. (2003, November). Learning contract: A new tool for managing knowledge. Challenges to Management: Globalisation, Regionalism and EU Enlargement Process,Proceedings of 4th International Conference of the Faculty of ManagementKoper,University of Primorska.