The Scientists visits to Baghdad in the Period 447-647HD / 1055-1245AD Through the book The Supplement of History of Baghdad By Ibn Al Najjar: (Study The Causes). Al-Adab Journal, [S. l.], v. 1, n. 147, p. 219–242, 2023. DOI: 10.31973/aj.v1i147.4139. Disponível em: https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/4139.. Acesso em: 10 may. 2024.