Rila Seilawati, and Setya Raharja. “School Principal Leadership in Improving Teacher Competence at Tembilahan 1 and Tembilahan 2 Vocational High School, Indragiri Hilir Regency”. International Journal of Educational Technology Research 2, no. 4 (February 15, 2025): 636–647. Accessed June 25, 2026. https://jurnalinternasional.com/index.php/ijetr/article/view/266.