Syahrir, P. S., and D. Syamsuddin. “KONSEP SIYASAH AL-MALIYAH PADA MASA KHALIFAH UMAR BIN KHATHTHAB DAN KHALIFAH UTSMAN BIN AFFAN”. SIYASATUNA : JURNAL ILMIAH MAHASISWA SIYASAH SYAR’IYYAH, Vol. 2, no. 2, May 2021, pp. 428-41, https://journal3.uin-alauddin.ac.id/index.php/siyasatuna/article/view/22748.