Pimpang, C. . ., Phorncharoen, I. . ., Phorncharoen, I. . . and Unchai, T. . . (2022) “Factors Affecting Work Efficiency of Personnels of Ubonratchathani Primary Educational Service Area office 5”, Journal of Human and Society, Sisaket Rajabhat University. Si Sa Ket, Thailand, 6(1), pp. 188–206. available at: https://so08.tci-thaijo.org/index.php/jhuso/article/view/1181 (accessed: 9 April 2025).