Amal Norhaizah, Rafidah Binti Haji Amidon. “The Challenges of Muslim Countries in Business World”. Falah: Jurnal Ekonomi Syariah 2, no. 2 (December 11, 2017): 189–195. Accessed November 22, 2024. https://ejournal.umm.ac.id/index.php/JES/article/view/5105.