Puteri Me Aleeyana, et al. “Study on Mechanical Properties of Concrete Containing Rubber Fine Aggregate As a Replacement Material in Concrete Mix”. Progress in Engineering Application and Technology, vol. 5, no. 2, Nov. 2024, pp. 591-7, https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/17274.