Salman MM, Eweed KM, Hameed AM. Influence of partial replacement TiO2 nanoparticles on the compressive and flexural strength of ordinary cement mortar. NUCEJ. 2017;19(2):265-270. Accessed April 12, 2025. https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/20