Susmihara, S. “Khulafa Al-Rasyidin (Dinamika Sosial Politik Dan Dakwah Islam)”. Jurnal Adabiyah, Vol. 15, no. 2, Dec. 2015, pp. 141-55, https://journal3.uin-alauddin.ac.id/index.php/adabiyah/article/view/699.