Arjhan, T. ., Arnupharbsaenyakorn , P. ., & Srikrachang , S. . (2022). Relationship Between the Competency of the Administrators and the Effectiveness Based on the Operation of the Child Development Center under Roi Et Provincial Administrative Organization. Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University, 17(2), 69–79. Retrieved from https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/254633