Asmawi, Zaimmudin. “Exploring The Philosophy of Salam, Murabahah, and Istishna Agreements in Sharia Economic Law: Producer Protection and Economic Growth”. Jurnal Ilmu Hukum Tambun Bungai 8, no. 2 (December 7, 2023): 356-370. Accessed April 5, 2026. https://stihtb.ac.id/ojs/index.php/jihtb/article/view/268.