MICHAŁOWSKA , Mariola; WIESŁAW, Wiesław; STANKIEWICZ , Dariusz. Perfecting Business Models in the Context of the Sources of Competitive Advantages. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 4, n. 5, p. 140–159, 2016. DOI: 10.18559/SOEP.2016.5.9. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3451. Acesso em: 3 sep. 2026.