Suhail GT, Anter FH, Al-Sarraj ZS. Study the of effect of micro and nanoCadmium Oxide on the hardness test of (epoxy-polyurethane) blend. Iraqi Journal of Science. 2018;59(4B):2020-2025. Accessed December 8, 2025. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/495