MULYANI SANTOSO. The Binding Power of Underhand Business Contracts in Trade Practices. Al-Kharaj: Journal of Islamic Economic and Business, [S. l.], v. 8, n. 1, 2026. DOI: 10.24256/kharaj.v8i1.9540. Disponível em: https://ejournal.iainpalopo.ac.id/index.php/alkharaj/article/view/9540. Acesso em: 26 feb. 2026.