khetjoi, sitthiporn, W. T. hasa, K. . Wannawong, C. . Jankhoon, and S. . khetjoi. “ KhonKaen Province”. Journal of Buddhist Education and Research, vol. 6, no. 2, Nov. 2020, pp. 1-14, https://so06.tci-thaijo.org/index.php/jber/article/view/243467.