Pongputarak, P., S. Keeratiurai, P. Suraphopphisit, N. Phiarat, and N. Phuemsombun. “DEVELOPMENT GUIDELINES FOR CORE COMPETENCIES IN THE JOB PERFORMANCE OF PERSONNEL AT NONG KRATHUM SUBDISTRICT MUNICIPALITY, MUEANG DISTRICT, NAKHON RATCHASIMA PROVINCE”. Journal of Social Science and Cultural, vol. 10, no. 9, Aug. 2026, pp. 373-87, https://so06.tci-thaijo.org/index.php/JSC/article/view/297447.