The Effect of Al2O3 Additives on Some Mechanical Properties of Un Saturated Polyester Resin. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 27, n. 1, p. 107–114, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/367.. Acesso em: 4 may. 2024.