KUBALA, S. .; FIRLEJ, C. Self-sufficiency in cereal and potato production in Central and Eastern Europe: 2005–2019. Przedsiębiorczość - Edukacja, [S. l.], v. 17, n. 1, p. 177–188, 2021. DOI: 10.24917/20833296.171.14. Disponível em: https://p-e.uken.krakow.pl/article/view/7610. Acesso em: 19 maj. 2024.