Sobhikamal, Abolfazl, seifi, Gholamali. “A Comparative Study of Hiring of Persons with Employment Contracts, Reward Contract (Jualah), and Contract-Work under Iranian Legislation and Islamic Jurisprudence.” Islamic Law & Jurisprudence Researches, vol. 16, no. 59, 2020, pp. 141-157. 10.22034/ijrj.2020.673325