“CONSTRUCTION AND PERFORMANCE EVALUATION OF TWO STAGED THREE BLADED SAVONIUS VERTICAL AXIS WIND ENERGY CONVERSION SYSTEM”. FUDMA JOURNAL OF SCIENCES 6, no. 6 (January 1, 2023): 76–88. Accessed September 17, 2025. http://162.254.38.185/index.php/fjs/article/view/1143.