Jannah Z, Asril Z, Hijaya S. The Influence of Certification on the Teaching Professionalism of Aqidah–Akhlaq Teachers. riqu [Internet]. 2025Jul.28 [cited 2026Feb.2];7(2):31-7. Available from: https://ejournal.staipiq.ac.id/index.php/riqu/article/view/95