Ulinuha, Agus, and M. Burhanduin Ubaidillah. “Vertical Wind Turbine Coupled With Modified Synchronous Generator for Portable Power Generation”. Urecol Journal. Part E: Engineering 1, no. 2 (December 11, 2021): 103–110. Accessed December 20, 2025. https://www.e-journal.urecol.org/index.php/uje/article/view/106.