WIECZERZYCKI, Marcin. The Crowdfunding Service as an Area of Cooperation between Companies. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 2, n. 1, p. 99–114, 2014. DOI: 10.18559/8152pw12. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3166. Acesso em: 3 sep. 2026.