1.
Daway E. Study Tensile Strength and Wear Rate for Unsaturated Polyester Resin and Nitrile butadiene Rubber Polymer Blend. en [Internet]. 31Mar.2015 [cited 29Nov.2019];11(2):45-0. Available from: http://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/223