http://103.88.229.80/newpisang/ https://keppkn.kemkes.go.id/assets/ https://jurnalfasya.iainkediri.ac.id/news/ https://hsji.kemkes.go.id/hsji/ https://stelina.kkp.go.id/
YULIANI, Bustanul. The Political Role of Khalifah Al-Ma'mun in Developing Islamic Education. Proceeding of Annual International Conference on Islamic Education (AICIED), [S.l.], v. 1, p. 120-130, oct. 2023. Available at: <https://prosiding.iainponorogo.ac.id/index.php/aicied/article/view/1198>. Date accessed: 15 jan. 2025.