Imam Azhar, Zainul Fuad. Structured Flexibility in Ummi Method Quality Assurance: Balancing Control and Contextual Adaptation Across Islamic Educational Institutions . Madinah.JSI [Internet]. 17 Mei 2026 [dikutip 19 Oktober 2026];13(1):160-81. Tersedia pada: https://jurnal.unitabah.ac.id/madinah/article/view/4810