Phootaemnin, N. ., S. . Nikornpittaya, S. . Soonthorn, and P. Noicharoen. “Factors Affecting in Managing Cultural Tourism of the Tourist Attractions in Kalasin Provice”. Journal of Modern Learning Development, vol. 7, no. 8, Sept. 2022, pp. 269-86, https://so06.tci-thaijo.org/index.php/jomld/article/view/256876.