Pérez Pérez, B. . (2022) “Sustainable Tourism, Ecotourism & ECST: Sierra Nevada (Spain)”, HUMAN REVIEW. International Humanities Review / Revista Internacional de Humanidades, 12(6), pp. 1–18. Available at: https://www.historicoeagora.net/revHUMAN/article/view/3995 (Accessed: 19 July 2025).