Sorakraikitikul , Monthon, and Panyatip Wongwuttiratkul. “Different Perspectives of Transformational Leadership”. Business Review Journal 14, no. 1 (June 27, 2022): 420–434. Accessed April 27, 2024. https://so01.tci-thaijo.org/index.php/bahcuojs/article/view/248504.