Tanjung, Bahdin Nur. “THE ROLE OF THE HEADMASTER IN IMPLEMENTING MANAGEMENT EDUCATION IN THE SCHOOL ENVIRONMENT”. JGK (Jurnal Guru Kita) 7, no. 2 (February 20, 2023): 263–277. Accessed January 6, 2025. http://103.242.233.34/index.php/jgkp/article/view/43691.