JANEK, S.; HANCHAR, A. .; WARZOCHA, Z. Horizontal Integration of Farmers on the Example of Agricultural Producer Groups in North-East Poland. Olsztyn Economic Journal, [S. l.], v. 16, n. 1, p. 101–111, 2021. DOI: 10.31648/oej.7316. Disponível em: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/7316. Acesso em: 26 apr. 2024.