PIETRZAK, Michał; CHLEBICKA, Aleksandra. Gemeinschaft versus Gesellschaft: Cooperatives and the problem of free-riding in the provision of collective goods. Social Entrepreneurship Review, Poland, v. 2, p. 27–46, 2023. DOI: 10.15678/SER.2023.2.02. Disponível em: https://ser.uek.krakow.pl/index.php/ser/article/view/158.. Acesso em: 3 apr. 2025.