RYMSZA, Agnieszka. MAIN CHALLENGES AND OPPORTUNITIES FACED BY THE NONPROFIT SECTOR IN CURRENT POLAND. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 4, p. 434–447, 2016. DOI: 10.17770/sie2016vol4.1578. Disponível em: https://journals.ru.lv/index.php/SIE/article/view/1578.. Acesso em: 24 may. 2024.