ŻUKOWSKI, A. Activity of South African Institutions and Organizations in the Field of Ecology. Humanities and Natural Sciences, [S. l.], n. 1, p. 33–40, 2018. DOI: 10.31648/hip.343. Disponível em: https://czasopisma.uwm.edu.pl/index.php/hip/article/view/343. Acesso em: 17 may. 2024.