Phonphithak, K., T. Pimpuang, T. Laon, W. Wongchomphu, S. Chaisuk, and S. Meeprom. “The Influence of Tourism Attribute on Tourist’s Perceived Value of the Tourism Community-Based in The Khong River Basin, Nong Kai Province”. KKBS Journal of Business Administration and Accountancy, vol. 4, no. 1, Apr. 2020, pp. 1-20, https://so04.tci-thaijo.org/index.php/kkbsjournal/article/view/225224.