Movement of Negroes , Its Causes , Its Aims And Ways of Elimination it: ( 255 – 270 A.H. ) ( 869 - 883 A.D. ). Al-adab J. [Internet]. 2019 Dec. 15 [cited 2024 May 17];:59-82. Available from: https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/945