Trivedi , Akhilesh, Yanapa Boonparkob, Cheewin Kachendecha, and Sasiphatr Pitirote. “Emergence of Ecotourism in Thailand”. Dusit Thani College Journal 13, no. 2 (April 11, 2020): 414–427. Accessed April 30, 2024. https://so01.tci-thaijo.org/index.php/journaldtc/article/view/241081.