S, Ihab, Hassanen A., and Ali A. “Assessment of Zirconium Oxide Nano-Fillers Incorporation and Silanation on Impact, Tensile Strength and Color Alteration of Heat Polymerized Acrylic Resin”. Journal of Baghdad College of Dentistry 24, no. Special Is (1): 36-42. Accessed November 21, 2019. http://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/1354.