TY - JOUR AU - Abdi, Yasser AU - Jafarzadeh, Jafar AU - Ari, Mahmoud TI - Judicial and Lawful Study on Contract Nature of Istesna JO - Islamic Law & Jurisprudence Researches VL - 12 IS - 42 SP - 95 EP - 114 PY - 2017 DO - ER -