Shamsa, Salah, and Estapraq Salman. “Quranic Evidence for Sheikh Al-Ansari Regarding the Conditions for the Validity of the Contract”. Journal of Kufa Studies Center 1, no. 76(G) (June 16, 2025): 668–689. Accessed August 3, 2026. https://journal.uokufa.edu.iq/index.php/ksc/article/view/20137.