Types of the contract of istasna prevalent in Islamic banks and their Shariah ruling: Types of the contract of istasna prevalent in Islamic banks and their Shariah ruling. International Research Journal on Islamic Studies (IRJIS), [S. l.], v. 4, n. 1, p. 212–219, 2022. DOI: 10.54262/irjis.04.01.u16. Disponível em: https://islamicjournals.com/ojs/index.php/IRJIS/article/view/199.. Acesso em: 22 dec. 2024.