PARZONKO, A. Macroeconomic Conditions of Economic and Organisational Changes in Polish Dairy Farms in the Period 1989-2009. Olsztyn Economic Journal, [S. l.], v. 7, n. 1, p. 27–39, 2012. DOI: 10.31648/oej.3365. Disponível em: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/3365. Acesso em: 17 may. 2024.