GROTT, E. The use of environmental protection by promotion, information and administration in county of Świętajno. Studia Ecologiae et Bioethicae, [S. l.], v. 5, n. 1, p. 445–453, 2007. DOI: 10.21697/seb.2007.5.1.33. Disponível em: https://czasopisma.uksw.edu.pl/index.php/seb/article/view/7658. Acesso em: 23 nov. 2024.