Suwi, Owdean M., and Jackson J. Justo. “Optimal Energy Management for off-Grid Hybrid Renewable Energy Systems ”. Tanzania Journal of Engineering and Technology 42, no. 1 (September 30, 2025): 72–78. Accessed October 8, 2025. https://journals.udsm.ac.tz/index.php/tjet/article/view/9153.