Klangthong, Nalinee, and Pornsook Tantraroongroj. 2018. “The Analysis of Current Situation, Ideal Situation and Factors Supporting Transformational Leadership in Workplace”. Journal of Education Studies 46 (4 (พิเศษ). Bangkok, Thailand:82-101. https://so02.tci-thaijo.org/index.php/EDUCU/article/view/152141.