Uzni NK, Hanapi NA. A Comparison Study in Partial Replacement of Coarse Aggregate with Coconut Shell in Concrete. rtcebe [Internet]. 2021 May 28 [cited 2026 Apr. 9];2(1):31-4. Available from: https://penerbit.uthm.edu.my/periodicals/index.php/rtcebe/article/view/1345