Rum, Rahmat Hidayat Mohammed, Arnie Farhana Norhalim, Zainorizuan Mohd Jaini, Nor Hayati Abd Ghafar, and Marcin Kowlowski. “Density and Strength of Foamed Concrete: The Influence on Dynamic Characteristics of Lightweight Profiled Composite Slabs”. International Journal of Integrated Engineering 11, no. 6 (September 17, 2019): 285–295. Accessed May 5, 2024. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/4952.