Shuwa, M., G. M. Ngala, and A. M. El- jummah. “Performance Analysis of Horizontal Axis Wind Turbine Using Variable Blade Pitch Control Mechanism”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT 16, no. 1 (March 2, 2020): 179-187. Accessed April 26, 2024. https://azojete.com.ng/index.php/azojete/article/view/195.