Sung, Tran Van, and Vorada Savaspakdee. “The Deteriorating Role of Active Transactional Leadership on Employees Perceived Uncertainty and Emotional Exhaustion: Evidence from Educational Sector of Thailand”. Journal of Contemporary Research in Business, Economics and Finance 3, no. 3 (August 9, 2021): 60–69. Accessed October 5, 2022. http://learning-gate.com/index.php/2641-0265/article/view/127.