Demirel, A. Gonul, and M. Atilla Oner. “Revisiting Schein (1965) Study on the Managerial Values and Attitudes of MBA Students”. International Review of Management and Marketing, vol. 5, no. 2, Apr. 2015, pp. 73-84, https://econjournals.com.tr/index.php/irmm/article/view/1143.