Yongpittayapong, Panitha, Jeeraporn Rattanakosoom, Piyathida Rattanarama, Penpuk Suepsri, Rattwut Chaola, and Weerasak Juldalai. 2022. “A Study of Ethnics Identity to Promote Tourism in SANUK Provincial”. Journal of Roi Et Rajabhat University 16 (3):236-49. https://so03.tci-thaijo.org/index.php/reru/article/view/253143.