YOUNIS, SAWSAN BAHJAT. 2019. “Movement of Negroes , Its Causes , Its Aims And Ways of Elimination It: ( 255 – 270 A.H. ) ( 869 - 883 A.D. )”. Al-Adab Journal, December, 59-82. https://doi.org/10.31973/aj.v0i0.945.