NELSON, J.G. The Need for Citizen Involvement in Conservation Organizations: The Example of the National Parks. Blue Jay, [S. l.], v. 27, n. 1, 1969. DOI: 10.29173/bluejay3606. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3606. Acesso em: 4 may. 2024.