Kulnathon P. Humanities and Social Sciences Journal of Graduate School, Pibulsongkram Rajabhat University. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University [internet]. 2019 Jun. 13 [cited 2026 Jan. 7];13(1). available from: https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/194575