Syahrir, M. Dzul Fadli, M. Wahyuddin Abdullah, and Khaerul Aqbar. “Analisis Komoditas Emas Dengan Konsep Riba Dalam Perspektif Usul Fikih: Analysis of Gold Commodity With the Concept of Usury in the Perspective of Uṣūl Fiqh”. NUKHBATUL ’ULUM: Jurnal Bidang Kajian Islam 7, no. 1 (June 1, 2021): 20–37. Accessed October 9, 2025. https://journal.stiba.ac.id/index.php/nukhbah/article/view/288.