Gercham Gan, Nordin N, Mohd Sukri Ramli, Azian Hariri, Mohammed ANM. Effect of Groove Height on Hydraulic Performance of Spiral Corrugated Firefighting Pipe. IJIE. 2026;18(2):126-140. Accessed July 22, 2026. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/23803