Selling the Unknown
From imamfaisal.com: https://imamfaisal.com/fiqh-of-business/ · Class notes: https://imamfaisal.com/wp-content/uploads/Fiqh-of-Business-Class9.doc
From imamfaisal.com: https://imamfaisal.com/fiqh-of-business/ · Class notes: https://imamfaisal.com/wp-content/uploads/Fiqh-of-Business-Class9.doc