Charpy Impact Response of Glass Fiber Reinforced Composite with Nano Graphene Enhanced Epoxy. Periodicals of Engineering and Natural Sciences, [S. l.], v. 5, n. 3, 2017. DOI: 10.21533/pen.v5.i3.2049. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/2049. Acesso em: 21 jul. 2026.