Konkong, Chitsirin. “Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University”. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University 15, no. 2 (June 17, 2021). Accessed May 1, 2024. https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/249054.