Gercham Gan, Normayati Nordin, Mohd Sukri Ramli, Azian Hariri, and Akmal Nizam Mohammed Mohammed. 2026. “Effect of Groove Height on Hydraulic Performance of Spiral Corrugated Firefighting Pipe”. International Journal of Integrated Engineering 18 (2): 126-40. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/23803.