“Effect of (Al2O3) on Flexural Analysis of Polymer Matrix Composite Reinforced by Unidirectional Glass Fiber”, J. eng. sustain. dev., vol. 10, no. 4, pp. 138–151, Dec. 2006, Accessed: Jul. 03, 2024. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1777