Oad, M., A. H. Buller, B. A. Memon, N. A. Memon, Z. A. Tunio, and M. A. Memon. “Effect of Water-Cement Ratio on Flexural Strength of RC Beams Made With Partial Replacement of Coarse Aggregates With Coarse Aggregates from Old Concrete”. Engineering, Technology &Amp; Applied Science Research, vol. 9, no. 1, Feb. 2019, pp. 3826-31, doi:10.48084/etasr.2499.