B.Manibalu, KE.A.Palaniappan, S.Gopinathan and N.Rajalakshmi 2019. Experimental study on strength properties of copper slag in concrete . International journal of intellectual advancements and research in engineering computations. 7, 2 (Jun. 2019), 3126–3128. DOI:https://doi.org/10.61096/ijiarec.v7.iss2.2019.3126-3128.