Elias AbdulMuhsen, Angham, and Ebtahag Z. Sulyman. “Improving Mechanical and Thermal Properties for Unsaturated Polyester Resin by Adding Cement”. College of Basic Education Research Journal 20, no. 4 (December 1, 2024): 754–771. Accessed January 11, 2026. https://berj.uomosul.edu.iq/index.php/berj/article/view/37921.