Dasri, Payoon, and Kanokkarn Kaewnuch. “Exploring the Quality Standard of Ecotourism Destination in Pangsida National Park, Sa Kaew Province”. Journal of Thai Hospitality and Tourism 13, no. 1 (May 12, 2018): 36–49. Accessed April 29, 2024. https://so04.tci-thaijo.org/index.php/tourismtaat/article/view/123372.