T.Jagadeesh, P.Praveen kumar, S.Mariappan, E.Srithar, and Mr.S.Gnana venkatesh. 2018. “Comparison Between Strength of Concrete by Using M Sand and Copper Slag”. International Journal of Intellectual Advancements and Research in Engineering Computations 6 (2):1085-90. https://ijiarec.com/ijiarec/article/view/605.