Gaál, Z. ., . L. . Szabó, N. . Obermayer-Kovács, and A. . Csepregi. “Successful Knowledge Management an Knowledge Sharing in Hungarian Enterprises”. Theory, Methodology, Practice – Review of Business and Management, vol. 6, no. 02, Dec. 2010, pp. 11-18, https://ojs.uni-miskolc.hu/index.php/tmp/article/view/1356.