Atsawalapsakun , W., Au-sab, W., Chanaphai, C., Chuapisutkun, W., Pimmongkol, N., Boonrueang, P., Tangted, W., & Kiewarun, K. (2020). Building The Social Measures Management On Tourism Sustainable Case Study In Korum District, Uttaradit Province. Journal of Modern Learning Development, 5(6), 225–232. retrieved from https://so06.tci-thaijo.org/index.php/jomld/article/view/245525