ZULHADI, Z. SUPERVISI KEPALA SEKOLAH TERHADAP GURU MATA PELAJARAN UJIAN NASIONAL DI SMPN 2 RAMBATAN. al-fikrah: Jurnal Manajemen Pendidikan, [S. l.], v. 6, n. 2, p. 137–146, 2019. DOI: 10.31958/jaf.v6i2.1391. Disponível em: https://ejournal.uinmybatusangkar.ac.id/ojs/index.php/alfikrah/article/view/1391. Acesso em: 20 jan. 2026.