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Oad, M.; Buller, A. H.; Memon, B. A.; Memon, N. A.; Tunio, Z. A.; Memon, M. A. Effect of Water-Cement Ratio on Flexural Strength of RC Beams Made With Partial Replacement of Coarse Aggregates With Coarse Aggregates from Old Concrete. Eng. Technol. Appl. Sci. Res. 2019, 9, 3826-3831.