Pimpang C, Phorncharoen I, Phorncharoen I, Unchai T. Factors Affecting Work Efficiency of Personnels of Ubonratchathani Primary Educational Service Area office 5. J.HMS.SSKRU [internet]. 2022 Nov. 27 [cited 2025 Apr. 8];6(1):188-206. available from: https://so08.tci-thaijo.org/index.php/jhuso/article/view/1181