Fachri Ansar, F., Fauzia, A., Sahari, A.B. and Ruhaya, B. 2026. Building a Sustainable Educational Ecosystem: Lessons from the Extinction Factors of Early Sunni Madzhas. Al-Bustan: Jurnal Pendidikan Islam. 3, 2 (Sep. 2026), 231–254. DOI:https://doi.org/10.62448/ajpi.v3i2.624.