Abbass, Rula, Doaa almousawi, and Khaleda Suhail. 2020. “Study Hardness and Wear Resistance for Plastic Flooring of Urea Formaldehyde”. Association of Arab Universities Journal of Engineering Sciences 27 (4), 114-20. https://doi.org/10.33261/https://doi.org/10.33261/jaaru.2020.27.4.011.