BILANICS, Ágnes. A study of the changes in management tasks. Acta Agraria Debreceniensis, [S. l.], n. 29, p. 39–44, 2008. DOI: 10.34101/actaagrar/29/2967. Disponível em: https://ojs.lib.unideb.hu/actaagrar/article/view/2967.. Acesso em: 3 may. 2024.