Klumpabut, Krityakron, Satorn Subruangthong, and Thitinan Duangsuwan. “The Relationship Between Human Resource Development and Teacher Working Satisfaction in School Under the Secondary Educational Service Area Office Kamphaengphet”. Rajapark Journal 16, no. 45 (April 5, 2022): 213–228. Accessed May 2, 2024. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/254255.