K, Purandara., Research Scholar, Dr Udayakumar G Professor, and Dr Gopinatha Nayak Assosiate Professor. “Elevated Temperature Performance of Expanded Perlite Aggregate Cement Mortar As a Protective Cover for Concrete”. International Journal of Engineering & Technology 7, no. 3.34 (September 1, 2018): 770–774. Accessed May 6, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/19472.