Venkatesh. K , Dr S.Arivalagan. “A Review Paper on Geopolymer Concrete Using Hollow Core Slab”. International Journal of Emerging Trends in Science and Technology, Vol. 5, no. 03, Mar. 2018, pp. 6573-6, https://ijetst.igmpublication.org/index.php/ijetst/article/view/1256.