GOLLOP, J. B. Fourth of July butterfly counts in Saskatchewan, 1997-1999. Blue Jay, [S. l.], v. 58, n. 4, 2000. DOI: 10.29173/bluejay5522. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5522. Acesso em: 3 may. 2024.