Putra, Elfi, Novita Indah, Erman Erman, and Radhiatul Hasnah. “Islamic Economic Study: Analysis Study of Islamic Economics in the Classic Era and Contemporary Economics”. NUSANTARA 6, no. 1 (December 25, 2023): 9-17. Accessed November 6, 2026. https://ejournal.ipn.ac.id/index.php/nusantara/article/view/4311.