Administrative Duties And Responsibilities of the Minister During Abbasside Era: For Period (247-334A.H.) (861-945A. D.). Al-Adab Journal, [S. l.], n. 133, p. 251–306, 2020. DOI: 10.31973/aj.v0i133.858. Disponível em: https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/858.. Acesso em: 2 may. 2024.