Abu Munshar, M. Y. (2010). DID ’UMAR IBN AL-KHATTAB ACT AGAINST ISLAM: BANI TAGHLIB TRIBE AS A CASE STUDY. Journal of Al-Tamaddun, 5(1), 25–32. Retrieved from http://borneojournal.um.edu.my/index.php/JAT/article/view/8535