HELMI, Jon. KOMPETENSI PROFESIONALISME GURU. AL-ISHLAH: Jurnal Pendidikan, [S. l.], v. 7, n. 2, p. 318–336, 2015. DOI: 10.35445/alishlah.v7i2.43. Disponível em: https://journal.staihubbulwathan.id/alishlah/article/view/43. Acesso em: 14 nov. 2026.