Jaini ZM, Sugiura K, Abdul Kudus S, Rum RHM, Hakim SJS, Abd Ghafar NH. Natural Frequency of Lightweight Composite Slabs Based On Experimental Study and Numerical Modelling. ijie. 2023;15(6):87-97. Accessed May 12, 2024. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/16014