Ataiwi, Ali Hussein, Jawad Kadhim Uleiwi, and Saad M. elIa. 2007. “Study of Mechanical Characteristics for Polymer Composite Reinforced by Particles of (Al2O3) or (Al)”. Al-Khwarizmi Engineering Journal 3 (3): 17-25. https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/636.