Sakal, M., P. . Matkovic, and P. Tumbas. “Web 2.0 Technologies in Internal and External Communications in the Banking Sector”. Theory, Methodology, Practice – Review of Business and Management, vol. 7, no. 02, Dec. 2011, pp. 87-97, https://ojs.uni-miskolc.hu/index.php/tmp/article/view/1398.