Kamela-Sowińska, Aldona. “The Economic Efects of a Social Contract As the Basis for Csr Reporting”. Studia Oeconomica Posnaniensia 3, no. 1 (January 31, 2015): s. 68–85. Accessed September 3, 2026. https://journals.ue.poznan.pl/soep/article/view/3526.