Ghazay Abid, F., and A. Fadhil Khattab. “Zufar Ibin Al-Harith Al- Killaby and His Role in the Events of His Period”. College of Basic Education Research Journal, vol. 8, no. 4, Dec. 2009, pp. 229-4, https://stats.uomosul.edu.iq/index.php/berj/article/view/39906.