Sharifah Salwa Mohd Zuki, S. Shahidan, and S. Subramaniam. “Effects of Recycled Aggregate Resin (RAR) in Concrete Material”. International Journal of Sustainable Construction Engineering and Technology, Vol. 11, no. 2, Oct. 2020, pp. 55-64, https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/6783.