HAQUE, Z. SOME FORMS OF RIBĀ AL-FAḌL IN TRADE AND COMMERCE. Islamic Studies, [S. l.], v. 22, n. 04, p. 73–95, 1983. Disponível em: http://irigs.iiu.edu.pk:64447/ojs/index.php/islamicstudies/article/view/5949. Acesso em: 6 dec. 2025.