Kósi, Kálmán, and Piroska Harazin. 2011. “Performance Evaluation of Corporate Social Responsibility According to the Logic of ISO 26000 (guidance on Social Responsibility) Standard”. REGIONAL AND BUSINESS STUDIES 3 (1 Suppl.): 739-49. https://journal.uni-mate.hu/index.php/rbs/article/view/525.