Chokpreedapanich, T. . . “Capabilities Development of Creative Tourism in Area of Thai Song Dam Ethnic Group, Khaoyoi District, Phetchaburi Province”. Dusit Thani College Journal, vol. 13, no. 2, Apr. 2020, pp. 101-16, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/241052.