Batubara, Damri. “Solusi Ekonomi Islam Terhadap Rekayasa Helah (Praktek Riba)”. AL-FALAH : Journal of Islamic Economics 2, no. 2 (December 6, 2017). Accessed November 21, 2024. https://journal.iaincurup.ac.id/index.php/alfalah/article/view/262.