Naseem Mahmood and Shabbir Husain, “رؤیة شرعیة و قانونیة لاقسام عقد المقاولة و صور تحدید البدل فیه: Shariah and Legal Approaches in Kinds and Prescription of Exchange in Construction Agreement”, alwifaq, vol. 3, no. 2, pp. 1–10, Dec. 2020.