RIDHA, A.; JUNAIDI, J.; MUSTOPA YAKUB , A.; HARBES, B.; TASYA HUIDA, T. H. The Effect of Principal Supervision on Teacher Performance at Prof Dr Hamka Maninjau Islamic Boarding School. GIC Proceeding, [S. l.], v. 1, n. 1, p. 01–07, 2023. DOI: 10.30983/gic.v1i1.137. Disponível em: http://proceedings.uinbukittinggi.ac.id/gic/article/view/137. Acesso em: 18 mar. 2026.