Islamic Transaction Contracts: Principles, Practices, and Contemporary Challenges in Sharia Economic Systems. Al-Manarah; Journal of Education and Islamic Studies, [S. l.], v. 1, n. 01, p. 84–94, 2026. Disponível em: https://journal.pergunulampung.or.id/index.php/almanarah/article/view/196. Acesso em: 15 may. 2026.