Bahtiyar, Siti Nurhajar, and Sofian Mohd. “Performance Evaluation of the Spiral Water Turbine”. Progress in Aerospace and Aviation Technology 4, no. 2 (December 24, 2024): 70–75. Accessed August 12, 2026. https://journal.uthm.edu.my/index.php/paat/article/view/18104.