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 22 September 2026];13(1):160-81. Tersedia pada: https://ejournal.iai-tabah.ac.id/madinah/article/view/4810