Cegliński, Paweł, and Anna Wiśniewska. “CSR As a Source of Competitive Advantage: The Case Study of Polpharma Group”. Journal of Corporate Responsibility and Leadership 3, no. 4 (June 26, 2017): 9–25. Accessed April 19, 2024. https://apcz.umk.pl/JCRL/article/view/JCRL.2016.020.