DR. MUHAMMAD MEHARBAN BARVI. Uncertainty in Contract: A Comparative Study of Jurisprudence amongst Four Schools . Bannu University Research Journal in Islamic Studies, [S. l.], v. 3, n. 1, 2016. Disponível em: https://burjis.com/index.php/burjis/article/view/113. Acesso em: 5 apr. 2026.