ALFARO, María del Rosario. Global conservation strategy. Tropical Journal of Environmental Sciences, [S. l.], v. 2, n. 1, p. 91–96, 1981. DOI: 10.15359/rca.2-1.10. Disponível em: https://www.revistas.una.ac.cr/index.php/ambientales/article/view/13146.. Acesso em: 5 jul. 2024.