A. A. . Hamza and S. R. . Jalal, “EFFECT OF REINFORCEMENT MATERIALS AND PROCESS PARAMETERS ON THE WEAR RATE OF POLYETHYLENE SURFACE COMPOSITES MADE BY FRICTION STIR PROCESS”, Kufa J. Eng., vol. 17, no. 2, pp. 275–291, May 2026, doi: 10.30572/2018/KJE/170216.