Nurfadhlina Abdul Halim, and Abd Aziz Arrashid Abd Rajak. “A Modification of Bai Bithaman Ajil Instrument through Musharakah Mutanaqisah: Fixation of Robust Optimisation into Rule 78”. Global Journal of Science Frontier Research 14, no. F7 (May 15, 2014): 17–26. Accessed May 5, 2024. https://journalofscience.org/index.php/GJSFR/article/view/1436.