El-Sayed, T. A., A. M. Erfan, A. M. Erfan, and R. El-Naby. “Flexural Behavior of RC Beams by Using Agricultural Waste As a Cement Reinforcement Materials”. Journal of Engineering Research and Reports, Vol. 7, no. 1, Aug. 2019, pp. 1-12, doi:10.9734/jerr/2019/v7i116959.