Prabaghar .A, S. .R, . “Effects of Ground Granulated Blast Furnace Slag and M Sand on the Mechanical Properties of Ordinary Portland Cement Concrete”. Annals of the Romanian Society for Cell Biology, vol. 25, no. 6, June 2021, pp. 7464-7, https://www.annalsofrscb.ro/index.php/journal/article/view/6896.