HARAHAP, H. U.; HARAHAP, R. A. Literature Study of Riba In Banking. International Journal of Economics and Management, Medan, Sumatera Utara, Indonesia, v. 1, n. 01, p. 33–40, 2023. DOI: 10.54209/iem.v1i01.6. Disponível em: https://iem.cdfpublisher.org/index.php/iem/article/view/6. Acesso em: 18 apr. 2026.