المجاهد (Muhammad Said Almujahed) م. س. “علة الربا في النقدين عند الشافعية ومدى تحققها في الأوراق النقدية <br≫ The Ratio Legis of Usury in Gold and Silver According to the Shafi’i Jurists and the Extent of Its Existence in Bank Notes”. At-Tajdid - Intellectual Refereed Journal, vol. 20, no. 39, June 2016, doi:10.31436/attajdid.v20i39.294.