Sandhu, A. R., M. T. Lakhiar, A. A. Jhatial, H. Karira, and Q. B. Jamali. 2019. “Effect of River Indus Sand and Recycled Concrete Aggregates As Fine and Coarse Replacement on Properties of Concrete”. Engineering, Technology &Amp; Applied Science Research 9 (1). Greece:3832-35. https://doi.org/10.48084/etasr.2558.