The Effect of Adding Alumina Phases (alpha and amorphous) to Improve the Mechanical Properties (Compressive Strength and Hardness) of Polyester Matrix Composites. مجلة الهندسة والتنمية المستدامة, [S. l.], v. 18, n. 6, p. 202–211, 2014. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/931.. Acesso em: 19 2024.