Sunil Bhagwan Yamgar, and Prof. Mr. S.R.Takkalaki. “Study and Analysis of Strength of GGBS Concrete”. International Journal of Engineering and Management Research 8, no. 6 (December 31, 2018): 28-47. Accessed August 6, 2020. https://www.ijemr.net/ojs/index.php/ojs/article/view/171.