FATIH SIRAJ; PANI AKHIRUDDIN SIREGAR; AHMAD AFANDI SURBAKTI. Implementation of Sharia Investment in Islamic Banking: Analysis of Principles, Contracts, and Challenges in Strengthening the Islamic Financial System. Al Urwah : Sharia Economics Journal, [S. l.], v. 3, n. 2, p. 42–47, 2025. DOI: 10.61536/alurwah.v3i2.383. Disponível em: https://journal.takaza.id/index.php/alurwah/article/view/383. Acesso em: 15 jan. 2026.