In-klai, Lookkhwan, Phongluck Jitgaroon, and Wiraporn Pongajarn. “The Curriculum Development Process Higher Education: A Case Study of Pibulsongkram Rajabhat University”. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University 14, no. 1 (October 29, 2019): 158–174. Accessed May 5, 2024. https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/133978.