Jamal, G. M., Jafaar, H. i., & Rammo, N. N. (2013). Studying the Effect of Volume Fraction Variation and Environmental in Creep Behavior of Polyester Resin Composed With Fiber E-Glass(Mat) and Carbon Black Powder Particles. Science Journal of University of Zakho, 1(1), 388–404. Retrieved from https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/141