conomic crises in the period of conflict between AL-Amin and AL-Mamun (193- 218 AH = 809- 833 CE. Journal of the College of Basic Education, [S. l.], v. 27, n. 110, p. 791–818, 2022. DOI: 10.35950/cbej.v27i110.5513. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/5513.. Acesso em: 3 jul. 2024.