Promchaiya, Nichapa, Terada Pinyo, and Sa-ngob Intaramanee. “THE GUIDLINE ON THE DEVELOPMENT OF FORMATIVE LEADERSHIP OF PRIVATE SCHOOL ADMINISTRATORS IN BANGKAPI DISTRIC”. Journal of Industrial Education 18, no. 2 (August 25, 2019): 156–164. Accessed March 29, 2024. https://ph01.tci-thaijo.org/index.php/JIE/article/view/175528.