Measuring the Efficiency of Islamic Financing Modes Using Data Envelopment Analysis: Evidence from Al Salam Bank, Adrar (2020–2023). Journal of Economic Additions, [S. l.], v. 9, n. 2, p. 704–725, 2025. Disponível em: https://journals.univ-ghardaia.edu.dz/idafat/article/view/1868. Acesso em: 5 apr. 2026.