Nordin, Mohammad Ridhwan, Salamiah Jamal, e Nor Asmalina Anuar. Modification on PERVAL Dimensions for Protected Area: Ecotourism Perceived Value in Today’s Pandemic Environment. Revista Turismo & Desenvolvimento 44 (Novembro 28, 2023): 179-194. Acedido Julho 20, 2024. https://proa.ua.pt/index.php/rtd/article/view/31086.