I. Buddeesak and P. C. siritharo, “Relationship Between Skills of School Administators and Effectiveness of Schools Under Loei Primaryeductional Service Area Office 2: Relationship Between Skills of School Administators and Effectiveness of Schools Under Loei Primaryeductional Service Area Office 2”, rtnb, vol. 5, no. 1, pp. 508–520, Apr. 2023.