Effect of Polyurethane Resin Additives on the Impact Toughness of Epoxy Resin Reinforced with woven roving Glass. Iraqi Journal of Physics, [S. l.], v. 7, n. 10, p. 51–56, 2009. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/879.. Acesso em: 15 may. 2024.