“Study the Effect of Fillers and Thermoplastics Content in the Mechanical Properties of Natural Rubber Vulcanized”. Ibn AL-Haitham Journal For Pure and Applied Sciences 28, no. 2 (April 9, 2017): 350–363. Accessed April 30, 2024. https://jih.uobaghdad.edu.iq/index.php/j/article/view/244.