Narani, Mohd Zulfikar, and PROF. MADYA Ts. Dr. MOHD HAZIMAN WAN IBRAHIM. 2021. ‚ÄúComprehensive Review on Fresh and Hardened Concrete Containing Coal Bottom Ash As Sand and Cement Replacement‚ÄĚ. Recent Trends in Civil Engineering and Built Environment 2 (1):598-612. https://publisher.uthm.edu.my/periodicals/index.php/rtcebe/article/view/1368.