Himdan, T. A. “Toughining of Epoxy-Resins Using Thermoplastic Materials As Modifiers”. Ibn AL-Haitham Journal For Pure and Applied Sciences 18, no. 3 (June 17, 2019): 38–49. Accessed March 31, 2025. https://jih.uobaghdad.edu.iq/index.php/j/article/view/2221.