Sugiharto B, Soeparman S, Widhiyanuriyawan D, Wahyudi S, Wardana I. Utilization of guide vanes to concentrate flows to the blade and block vortex to improve the power factor of savonius wind turbine. EEJET [Internet]. 2019Dec.17 [cited 2024Nov.24];6(8 (102):55-61. Available from: https://journals.uran.ua/eejet/article/view/183160