K. H. Suffer, Y. Y. Kahtan, and Z. M. Razlan, “Aerodynamics and Modal Analysis for the Combined Vane type Vertical Axis Wind Turbine”, IJET, vol. 7, no. 4.38, pp. 1395–1398, Dec. 2018, doi: 10.14419/ijet.v7i4.38.27883.