COMPARATIVE ANALYSIS BETWEEN CONVENTIONAL AND RIBA-FREE BANKING. The International Research Journal of Usooluddin , [S. l.], v. 4, n. 1, p. 1–18, 2020. Disponível em: https://journalusooluddin.com/index.php/irjdu/article/view/68. Acesso em: 30 aug. 2026.