“Erosion Wear and Hardness of Glass Fiber / Epoxy with Nano and Micro TiO2 Hybride Composites”, ANJS, no. 1, pp. 43–51, Oct. 2018, Accessed: May 19, 2024. [Online]. Available: https://www.anjs.edu.iq/index.php/anjs/article/view/2012