“Design and Fabrication of Flipping Blade Vertical Axis Wind Turbine”, Int. J. Curr. Eng. Technol., vol. 1, no. 2.Special Issue, pp. 677–682, Feb. 2014, Accessed: Apr. 27, 2026. [Online]. Available: https://ijcet.evegenis.org/index.php/ijcet/article/view/3729