Sahu, Vaishali, and V. Gayathri. “The Use of Fly Ash and Lime Sludge As Partial Replacement of Cement in Mortar”. International Journal of Engineering and Technology Innovation 4, no. 1 (January 1, 2014): 30–37. Accessed April 19, 2024. https://ojs.imeti.org/index.php/IJETI/article/view/127.