Thummasaroch, D., Somwang, K., & Hayeemaming, M.- aiman. (2021). Development Core Competency in the Job Performance of Personnel in Subdistrict Administrative Organizations in Saraburi Province. Rajapark Journal, 15(43), 326–338. Retrieved from https://so05.tci-thaijo.org/index.php/RJPJ/article/view/255244