ABDULLAH, A. . . The Doctrine of the Freedom of Contract (Hurriyyat al-Ta‘aqud) in Islamic Mu‘amalat: An exposition on the concept and rules of the contract of muqawalah in the construction industry . Islamic Studies, [S. l.], v. 50, n. 3-4, p. 365–381, 2011. DOI: 10.52541/isiri.v50i3-4.3610. Disponível em: http://irigs.iiu.edu.pk:64447/ojs/index.php/islamicstudies/article/view/3610. Acesso em: 6 dec. 2025.