Pookhao, Nantira. “ECOTOURISM ETHICS: ANTHROPOCENTRISM OR ECOCENTRISM”. Journal of Thai Hospitality and Tourism 8, no. 1 (July 19, 2013): 31–37. Accessed May 2, 2024. https://so04.tci-thaijo.org/index.php/tourismtaat/article/view/10156.