Wakalah Waqf: An Agency-Based Model for the Sustainable Development of Productive Waqf Properties . Journal of Integrated Socio-Economic Systems and Islamic Finance, [S. l.], v. 1, p. 76–83, 2025. DOI: 10.65638/2978-8196.2025.01.06. Disponível em: https://iifssystem.com/index.php/iifss/article/view/10. Acesso em: 13 jun. 2026.