1.
Abdul Malek N, Mohd Arshad MN. The Informal Economy: A Neglected Area in Islamic Economics. IJEMA [Internet]. 2017 Aug. 30 [cited 2023 Feb. 3];25(2):285-314. Available from: https://journals.iium.edu.my/enmjournal/index.php/enmj/article/view/452