Kulsudjarit, A.; Singkaneti, B. .; Kaewla-iad, S. .; Nuchprayool, B. .; Suntapun, C. .; Sahapattana, P. . An Evaluation of the Civil Service Merit System Protection Agency. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University 2021, 15, 547-563.