Kulnathon P. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University [internet]. 2021 Jul. 19 [cited 2025 Dec. 9];15(2). available from: https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/249059