AL ARIF, M. Nur Rianto. Monopoly and Ikhtikar in Islamic Economics. Shirkah: Journal of Economics and Business, [S. l.], v. 1, n. 3, p. 299–310, 2016. DOI: 10.22515/shirkah.v1i3.37. Disponível em: https://shirkah.or.id/new-ojs/index.php/home/article/view/37. Acesso em: 1 feb. 2025.