BARTKOWIAK, Marcin; JANIK, Bogna. The Sin Index vs. the Socially Responsible Index. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 5, n. 6, p. 54–69, 2017. DOI: 10.18559/SOEP.2017.6.3. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3632. Acesso em: 3 sep. 2026.