HARASIM, A. Problems of Polish non-livestock farms. Polish Journal of Agronomy, [S. l.], v. 50, n. 50, p. 12–18, 2022. DOI: 10.26114/pja.iung.493.2022.02. Disponível em: https://redakcjapja.iung.pl/index.php/pja/article/view/172. Acesso em: 3 feb. 2023.