A. H. Badawy, M. S. El-Feky, A. Hassan, H. El-kady, and L. M. Abd-El Hafez, “Flexural Behavior of Unbounded Pre-stressed Beams Modified With Carbon Nanotubes under Elevated Temperature”, Civ Eng J, vol. 5, no. 4, pp. 856–870, Apr. 2019.