KHAN, M. A. . SHAIKH MAHMUD AHMAD.TOWARDS INTEREST FREE BANKING. Islamic Studies, [S. l.], v. 29, n. 01, p. 99–102, 1990. DOI: 10.52541/isiri.v29i01.5206. Disponível em: http://irigs.iiu.edu.pk:64447/ojs/index.php/islamicstudies/article/view/5206. Acesso em: 6 dec. 2025.