Trivedi , A. . ., Boonparkob, Y. . ., Kachendecha, C. . ., & Pitirote , S. . . (2020). Emergence of Ecotourism in Thailand . Dusit Thani College Journal, 13(2), 414–427. Retrieved from https://so01.tci-thaijo.org/index.php/journaldtc/article/view/241081