KHAN, M. A. Islamic Economics: The State of the Art. American Journal of Islam and Society, USA, v. 16, n. 2, p. 89–104, 1999. DOI: 10.35632/ajis.v16i2.2118. Disponível em: https://mail.ajis.org/index.php/ajiss/article/view/2118. Acesso em: 3 jul. 2024.