STUDY OF FLEXURAL AND IMPACT PROPERTIES OF NANO-HYBRID COMPOSITES MATERIALS BY USING POLY METHYL METHACRYLATE (PMMA) MATRIX. Journal of Engineering and Sustainable Development, [S. l.], v. 23, n. 3, p. 114–127, 2019. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/270.. Acesso em: 8 may. 2024.