azan, E.H. and Hakim, S.J. (2021) “A Study on The Mechanical Properties of Concrete Containing Fly Ash as Partial Cement Replacement-A Critical Review”, Recent Trends in Civil Engineering and Built Environment, 3(1), pp. 641–649. Available at: https://periodical.uthm.edu.my/index.php/rtcebe/article/view/3241 (Accessed: 15 August 2026).