Salman, Ahmad, Mastura Jaafar, and Diana Mohamad. “A Comprehensive Review of the Role of Ecotourism in Sustainable Tourism Development”. e-Review of Tourism Research 18, no. 2 (December 30, 2020): 215–233. Accessed April 25, 2024. https://ertr-ojs-tamu.tdl.org/ertr/article/view/482.