Muliadi, Muliadi, Nurfadillah Nurfadillah, and Bahaking Rama. 2024. “Khalifah Umar Bin Abdul Aziz Dan Kebijakan Politiknya”. ULIL ALBAB : Jurnal Ilmiah Multidisiplin 4 (2):504-9. https://doi.org/10.56799/jim.v4i2.6820.