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) [Online], Volume 1(6 October 2023)