حكم الربا. حول مفهوم الربا ومقاصد تحريمه

The Oxford Dictionary of Islam	However, there is no historical evidence to suggest that riba al-jahiliya also consisted of transactions that were similar to modern loans on interest
Those who equate riba with interest seek support from al-Jassas, who claimed that pre-Islamic Arabia practiced a form of riba where money was lent at a predetermined sum over the principal amount	Siddiqi, Mohammad Nejatullah 1 January 2004

"Riba and Interest in Islamic Banking: an Historical Review".

لماذا حرم الله الربا ؟: What constitutes Riba, has, however, been a subject evoking deliberation and debate over the centuries that followed divine revelation
أنواع الربا
حكم الربا بين الاهل ..: 981] no date , Ahkam al-Quran, V

Muslims have always agreed that Riba is prohibited	"Riba and Interest in Islamic Banking: an Historical Review"
Encyclopedia of Islam and the Muslim World