Abd Ghafar, Nor Hayati, Lyn Dee Goh, Noridah Mohamad, and Seyed Jamalaldin Seyed Hakim. “A Vibration and Crack Assessment on Precast Pre-Stressed Hollow-Core Floor”. International Journal of Integrated Engineering 16, no. 5 (September 9, 2024): 399–408. Accessed April 7, 2026. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/17932.