Kiatisakchai, K. . ., and C. . . Kovin. “Koh-Mak Community People’s Competencies for Low Carbon Tourism Development, Trat Province”. Dusit Thani College Journal, vol. 14, no. 2, Aug. 2020, pp. 16-30, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/243418.