C. P. Sarmeje, D. W. Medugu, and A. Danladi, “Design, Fabrication, and Experimental Performance Evaluation of a Low-Cost Vertical-Axis Wind Turbine-Photovoltaic Hybrid System for Rural Electrification in Northern Nigeria”, FJS, vol. 10, no. 11, pp. 388–395, Jul. 2026, doi: 10.33003/fjs-2026-1011-4957.