Shingala Kartik J, and Asst.Prof.Varsha Yadav. “MICROBIAL CARBONATE PRECIPITATION TO ENHANCE THE QUALITY OF RECYCLED AGGREGATES”. International Journal of Advance Engineering and Research Development (IJAERD), vol. 5, no. 4, Apr. 2018, pp. 2040-8, https://www.ijaerd.org/index.php/IJAERD/article/view/3331.