Hallosh Khidhir, Awad, and Ahmed Akram Abdullah. 2014. “Effect of Particle Size on Some Mechanical Properties of Functionally Graded Polymeric Matrix Composite Produced by Centrifugal Casting”. Al-Rafidain Engineering Journal (AREJ) 22 (4):205-15. https://doi.org/10.33899/rengj.2014.101536.