AHMAD, Z. . USHŪR AND MAKS IN EARLY ISLAM. Islamic Studies, [S. l.], v. 27, n. 01, p. 1–11, 1988. DOI: 10.52541/isiri.v27i01.5448. Disponível em: http://irigs.iiu.edu.pk:64447/ojs/index.php/islamicstudies/article/view/5448. Acesso em: 6 dec. 2025.