B.Manibalu, KE.A.Palaniappan, S.Gopinathan, and N.Rajalakshmi. “Experimental Study on Strength Properties of Copper Slag in Concrete”. International Journal of Intellectual Advancements and Research in Engineering Computations, vol. 7, no. 2, June 2019, pp. 3126-8, https://ijiarec.com/ijiarec/article/view/1228.