ศรีอิทยาจิต ษ., อเนกสุข ส., and ปั้นหุ่น ส. “The Development of Indicators to Indicate the Competency of Educational Measurement and Evaluation Supervisors under the Primary Educational Service Area; The Analysis of Empirical Validity, Sensitivity and Specification”. Al-HIKMAH Journal, vol. 8, no. 15, Dec. 2018, pp. 41-54, https://so01.tci-thaijo.org/index.php/HIKMAH/article/view/167813.