LECKER, M. Were customs dues levied at the time of the Prophet Muḥammad?. Al-Qanṭara, [S. l.], v. 22, n. 1, p. 19–43, 2001. DOI: 10.3989/alqantara.2001.v22.i1.225. Disponível em: https://al-qantara.revistas.csic.es/index.php/al-qantara/article/view/225. Acesso em: 9 ago. 2022.