IQBAL, Z. The Benchmark Issue in the Islamic Financial System. American Journal of Islam and Society, USA, v. 16, n. 2, p. 45–53, 1999. DOI: 10.35632/ajis.v16i2.2128. Disponível em: https://mail.ajis.org/index.php/ajiss/article/view/2128. Acesso em: 3 jul. 2024.