PIEROG, Anita. Study of the economic involvement of civil organizations. Acta Agraria Debreceniensis, [S. l.], n. 52, p. 139–145, 2013. DOI: 10.34101/actaagrar/52/2113. Disponível em: https://ojs.lib.unideb.hu/actaagrar/article/view/2113.. Acesso em: 2 may. 2024.