Ulfah, Isnatin. 2008. “Ushul Al-Fiqh Mutakallimin: Review Atas Kitab Al-Ihkam Fi Ushul Al-Ahkam”. Justicia Islamica 5 (1):1-18. https://jurnal.iainponorogo.ac.id/index.php/justicia/article/view/10691.