Mr. B. Mahendra, Dr. H. Sudarsana Rao, Vaishali G. Gharpade. 2022. “Replacement Effect of Fine Aggregate With Copper Slag Onpermeabilityandstrength of Recycled Aggregate Concrete”. Design Engineering, no. 1 (February), 1917-24. http://thedesignengineering.com/index.php/DE/article/view/9152.