AHMAD, Z. . MUHAMMAD AKRAM KHAN. CHALLENGE OF ISLAMIC ECONOMICS . Islamic Studies, [S. l.], v. 27, n. 02, p. 169–174, 1988. DOI: 10.52541/isiri.v27i02.5466. Disponível em: http://irigs.iiu.edu.pk:64447/ojs/index.php/islamicstudies/article/view/5466. Acesso em: 22 apr. 2026.