termtain, nitaya, and Siriporn Loetyingyot. “Core Competencies Affecting the Work Performance Effectiveness of the Local Government Organization Officers in Lamplaimat District, Buriram Province”. Journal of Management Science Nakhonratchasima University 1, no. 2 (December 22, 2022): 27–44. accessed August 2, 2025. https://so08.tci-thaijo.org/index.php/jmsnrru/article/view/996.