HIEZ, David. VOLUNTARY MEMBERSHIP: UP TO WHICH POINT DOCOOPERATIVES SUPPORT LIBERALISM?. International Journal of Cooperative Law, Luxemburg, n. 2, p. 8–25, 2025. DOI: 10.36128/wfghnp98. Disponível em: https://pes.edu.pl/index.php/ijcl/article/view/65. Acesso em: 8 sep. 2025.