CHEUNG, Hubert. Ecotourism as a multidisciplinary conservation approach in Africa. THERYA, [S. l.], v. 6, n. 1, p. 31–41, 2015. Disponível em: https://therya.mastozoologiamexicana.com/index.php/THERYA/article/view/243. Acesso em: 3 aug. 2025.