Junsuriyasak, N., N. Chairos, N. Yangnok, and R. Siripraphim. “Audit Professional Competency on Quality of Audit Work of Audit Practitioners Area Cooperative Auditing office Region 5”. 2026. Research and Development Journal, Loei Rajabhat University, vol. 21, no. 77, Aug. 2026, pp. 32-45, doi:10.14456/lruj.2026.23.