Polek-Duraj, Kornelia. “Social Responsibility As a Determinant in the Improvement of Organizational Competitiveness (Case Study)”. Olsztyn Economic Journal 12, no. 2 (May 31, 2017): 213–223. Accessed April 19, 2024. https://czasopisma.uwm.edu.pl/index.php/oej/article/view/2806.