Srivichai, Suddhipong, PhrakruWirunsuttakun, Dr., and PhrakruKittiyannawisit, Dr. “Skill Development Educational Leadership”. Mahachula Academic Journal 5, no. ฉบับพิเศษ (August 18, 2018): 65–73. Accessed May 4, 2024. https://so04.tci-thaijo.org/index.php/JMA/article/view/141069.