“EFFECT OF CARBON NANO TUBES ON EROSION WEAR OF CARBON FIBER, GLASS FIBER & KEVLAR FIBER REINFORCED UNSATURATED POLYESTER COMPOSITES”, J. eng. sustain. dev., vol. 22, no. 4, pp. 74–89, Jul. 2018, Accessed: Apr. 28, 2024. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/426