CEGLIŃSKI, Paweł; WIŚNIEWSKA, Anna. CSR as a Source of Competitive Advantage: The Case Study of Polpharma Group. Journal of Corporate Responsibility and Leadership, [S. l.], v. 3, n. 4, p. 9–25, 2017. DOI: 10.12775/JCRL.2016.020. Disponível em: https://apcz.umk.pl/JCRL/article/view/JCRL.2016.020. Acesso em: 1 jul. 2025.