Qomariyah, Aqidatul. “PEMIKIRAN MAHMUD SHALTUT TENTANG HUKUM OBLIGASI”. Maliyah : Jurnal Hukum Bisnis Islam 3, no. 1 (December 30, 2013). Accessed April 29, 2024. https://jurnalfsh.uinsby.ac.id/index.php/maliyah/article/view/328.