Zakaria, Mohamad Zaharuddin, and Akhtarzaite Abdul Aziz. “Purchase Undertaking in Equity-Based Sukuk: Does It Amount to Guarantee”. The Journal of Muamalat and Islamic Finance Research 10, no. 1 (January 1, 2013): 43–68. Accessed April 18, 2025. https://jmifr.usim.edu.my/index.php/jmifr/article/view/153.