Chanaphai, C., U-sub, W. ., Thongraya, W. . and Supornjak, M. . (2023) “ Uttaradit Province”., Journal of Humanities and Social Sciences Uttaradit Rajabhat University, 10(2), pp. 1–13. Available at: https://so04.tci-thaijo.org/index.php/johuru/article/view/269702 (Accessed: 15 May 2024).