ULISZAK, R. Manifestations of crisis in contemporary agriculture. Studies of the Industrial Geography Commission of the Polish Geographical Society, [S. l.], v. 18, p. 101–115, 2011. DOI: 10.24917/20801653.18.9. Disponível em: https://prace-kgp.uken.krakow.pl/article/view/93. Acesso em: 9 oct. 2024.