Upaya Peningkatan Standar Mutu Standar Mutu Pendidikan di SMA Al-Hidayah Medan. IMEIJ [Internet]. 2023 Nov. 19 [cited 2026 Aug. 12];4(3):1783-91. Available from: https://ejournal.indo-intellectual.id/index.php/imeij/article/view/423