WITKOWSKA-DĄBROWSKA, M. Indicators of Sustainable Development of the Province of Warmia and Mazury in the Environmental Aspect. Olsztyn Economic Journal, [S. l.], v. 11, n. 3, p. 299–309, 2016. DOI: 10.31648/oej.2934. Disponível em: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/2934. Acesso em: 25 apr. 2024.