Ibrahim N, Muhammad Rashidi HA. Interlocking Bricks: Density and Compressive Strength Reduction Due to Addition of Kaolin Clay and RHA. IJIE [Internet]. 2023 Jul. 31 [cited 2026 Aug. 7];15(2):61-9. Available from: https://journal.uthm.edu.my/index.php/ijie/article/view/13510