Er. Dharma Prakash Sharma , Dr D.K. Singal. “Utilization of Solid Waste Clay Soils in Highways and Its Effect on Environment”. International Journal of Emerging Trends in Science and Technology, Vol. 4, no. 06, June 2017, pp. 5266-9, https://igmpublication.org/ijetst.in/index.php/ijetst/article/view/1139.