P. Raja Rao, and Dr. N.Victor Babu. “STUDY ON MECHANICAL PROPERTIES OF M30 GRADE CONCRETE BY PARTIALLY REPLACING CEMENT WITH MICRO SILICA AND FINE AGGREGATE WITH COPPER SLAG”. EPRA International Journal of Research and Development (IJRD), vol. 7, no. 5, May 2022, pp. 189-93, https://eprajournals.net/index.php/IJRD/article/view/456.