Abdul-Razaq, Rola W. “The Effect of Thermocycling and Different PH of Artificial Saliva on the Impact and Transverse Strength of Heat Cure Resin Reinforced With Silanated ZrO2 Nano-Fillers”. Journal of Baghdad College of Dentistry, vol. 25, no. Special Is, July 2013, pp. 12-17, https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/192.