Kiatisakchai, Kamonkanok. “Guideline of Sustainable Ecotourism Management by Applying Geographic Information System for Strategic Planning”. Dusit Thani College Journal 14, no. 3 (December 30, 2020): 701–717. accessed October 14, 2026. https://so01.tci-thaijo.org/index.php/journaldtc/article/view/248583.