Younis Mustapha, Seham, سهام, Raad Ahmad Rasool, and رعد. 2010. “Preparation and Study of Mechanical and Physical Properties of Utectic Alloy (Pb-Sn-Zn)”. Journal of Education and Science (JES) 23 (4):115-29. https://doi.org/10.33899/edusj.2010.58457.