Kulnathon, Panadda. “Humanities and Social Sciences Journal of Graduate School, Pibulsongkram Rajabhat University”. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University 14, no. 2 (August 30, 2020). Accessed April 29, 2024. https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/243357.