Kaewrod, P., and V. . Chaisaeng. “Motivational Factors Affecting Organizational Commitment of Employees of the Department of Provincial Administration in Northeast of Thailand”. Journal of Roi Et Rajabhat University, vol. 17, no. 2, Sept. 2023, pp. 188-99, https://so03.tci-thaijo.org/index.php/reru/article/view/262404.