Rohani, Siti, Junita Junita, and Agus Anjar. “The Role of the Principal As a Supervisor in Increasing the Effectiveness of Administrative Services at SMP Negeri 1 Bilah Hulu”. Jurnal Riset Ilmu Pendidikan 4, no. 4 (December 25, 2024): 201–209. Accessed August 24, 2025. https://jurnal.larisma.or.id/index.php/JRIP/article/view/818.