Amakpah, Steve-Wonder, and Gengyuan Liu. “ECO-CITIES: UE NET Systems Integration As New Paradigm Shift in Sustainable Energy Generation and Utilization”. Journal of Environmental Accounting and Management, vol. 3, no. 4, Aug. 2026, pp. 385-94, https://doi.org/10.5890/JEAM.2015.11.007.