الفضل بن سهل وزير المأمون. Al-Adab Journal, [S. l.], n. 32, p. 207–232, 2021. DOI: 10.31973/aj.v0i32.2446. Disponível em: https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/2446.. Acesso em: 30 jun. 2024.