Adnan Hamad, Qahtan. “STUDY OF FLEXURAL AND IMPACT PROPERTIES OF NANO-HYBRID COMPOSITES MATERIALS BY USING POLY METHYL METHACRYLATE (PMMA) MATRIX”. Journal of Engineering and Sustainable Development 23, no. 3 (May 1, 2019): 114–127. Accessed May 5, 2025. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/270.