ศรีคง น., นวลสิงห์ ธ. พ., and ชาปัญญา ย. “Organizational Culture Affecting The Characteristic Of Wolrd-Class Standard Schools In The Office Of Secondary Educational Service Area Office 28”. Journal of Roi Et Rajabhat University, vol. 12, July 2017, pp. 138-4, https://so03.tci-thaijo.org/index.php/reru/article/view/176312.