AbdulSalam Mohammad, Layla, and لیلى. “Study of the Mechanical Properties of Unsaturated Polyester Reinforced by Different Hybrid Intensification Materials”. Journal of Education and Science (JES) 26, no. 3 (August 1, 2013): 108–119. Accessed August 4, 2025. https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17425.