Mahmud, HM Iqbal, Md Kawser Babu Raju, and Md Lokman Hosen. “The Effect of Fire on the Strength of Concrete Material”. Journal of Engineering Science 12, no. 1 (April 21, 2021): 63–68. Accessed November 21, 2024. https://banglajol.info/index.php/JES/article/view/53103.