Hakizimana , E., H. Umuhoza, E. Manishimwe, and V. Kayibanda. “Economic Optimization of Grid-Connected Photovoltaic Solar Systems in Industrial Energy:: Case Study SULFO Ltd - Rwanda”. Solar Energy and Sustainable Development Journal, vol. 13, no. 2, Aug. 2024, pp. 204-29, doi:10.51646/jsesd.v13i2.242.