Kulnathon, P. (2019) “Humanities and Social Sciences Journal of Graduate School, Pibulsongkram Rajabhat University”, Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University, 13(2). available at: https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/228767 (accessed: 12 October 2026).