Hidayat Putro, H. P. y Onjaharimanana, R. (1) «A comparative study of ecotourism development between Indonesia and Madagascar Case studies: mount ciremai and andasibe mantadia national parks», Opción, 360, pp. 2353-2470. Disponible en: https://mail.produccioncientificaluz.org/index.php/opcion/article/view/32567 (Accedido: 5abril2025).