S. M. . Fahad and A. S. . Alithari, “THE INFLUENCE OF ADDING NANO-TUNGSTEN CARBIDE ON THE WEAR RATE AND COEFFICIENT OF FRICTION FOR CHOPPED FIBERS COMPOSITE”, Kufa J. Eng., vol. 17, no. 2, pp. 261–274, May 2026, doi: 10.30572/2018/KJE/170215.