ROHANI, S.; JUNITA, J.; ANJAR, A. 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, [S. l.], v. 4, n. 4, p. 201–209, 2024. DOI: 10.56495/jrip.v4i4.818. Disponível em: https://jurnal.larisma.or.id/index.php/JRIP/article/view/818. Acesso em: 24 aug. 2025.