D. H. Didane, D. . Kudam, M. F. . Zulkafli, S. . Mohd, M. F. M. . Batcha, and A. . Khalid, “Development and Performance Investigation of a Unique Dual-rotor Savonius-type Counter-rotating Wind Turbine ”, ijie, vol. 13, no. 6, pp. 89–98, Aug. 2021, Accessed: Sep. 01, 2024. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/6360