C, C., Nwaiwu, Aginam and Anyadiegwu 2018. COMPARING THE FLEXURAL STRENGTH OF CONCRETE MADE WITH RIVER SAND WITH THAT MADE WITH QUARRY DUST AS FINE AGGREGATE. International Journal of Research -GRANTHAALAYAH. 6, 6 (Jun. 2018), 453–460. DOI:https://doi.org/10.29121/granthaalayah.v6.i6.2018.1390.