"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, م 18, عدد 6, نوفمبر، 2014, ص 202-11, https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/931.