SONIEWICKI , Marcin. The Use of Cooperative Sources of Knowledge in Service Industry Companies. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 2, n. 1, p. 46–60, 2014. DOI: 10.18559/pcrmrm71. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3158. Acesso em: 3 sep. 2026.