วงษ์ศรีแก้ว ศ., กำมันตะคุณ ว., and ชาปัญญา ย. “Factors Affecting the Efficiency of Private Schools’Administration under Basic Education in Yasothon Province”. Journal of Roi Et Rajabhat University, vol. 11, no. 1, June 2017, pp. 79-88, https://so03.tci-thaijo.org/index.php/reru/article/view/176389.