LONG, Robert J. Interpretive Program: Saskatchewan Department of Natural Resources. Blue Jay, [S. l.], v. 31, n. 2, 1970. DOI: 10.29173/bluejay3909. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3909. Acesso em: 27 apr. 2024.