Kulnathon, P. (2019) “Humanities and Social Sciences Journal of Graduate School, Pibulsongkram Rajabhat University”, Humanities and Social Sciences Journal of Graduate School, Pibulsongkram Rajabhat University, 13(1). Available at: https://www.tci-thaijo.org/index.php/GraduatePSRU/article/view/194575 (Accessed: 17November2019).