Siti Norbaya Mohd Rashid, Muhammad Abd Hadi Abd Rahman, Norliza Che Yahya, and Nor Farah Md Rasid. “Bai Bithaman Ajil (BBA) and Musharakah Mutanaqisah (MM): Comparative Analysis”. Advances in Business Research International Journal, vol. 6, no. 2, Oct. 2020, pp. 19-29, https://journal.uitm.edu.my/ojs/index.php/Abrij/article/view/4105.