alhatemy mougd hadi, mahboba mohammed hamed. Improvement of Retread Blends Composed of Natural Rubber(Nr) And Polybutadiene Rubber(Br). NJES [Internet]. 2008 Mar. 6 [cited 2024 Nov. 24];11(3):478-84. Available from: https://nahje.com/index.php/main/article/view/545