Azmi M. R. and Ismail M. H., “A Review: Performance Of Reinforced Concrete Beam With Metakaolin And Palm Oil Fuel Ash Subjected To Three – Point Loading”, rtcebe, vol. 2, no. 1, pp. 171–180, May 2021, Accessed: May 05, 2024. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/rtcebe/article/view/1355