[16] Namahoro J. P., Wu Q., Xiao H., Zhou N., et al. The Impact of Renewable Energy, Economic and Population Growth on CO2 Emissions in the East African Region: Evidence from Common Correlated Effect Means Group and Asymmetric Analysis[J]. Energies, 2021, 14(2): 312. https://doi.org/10.3390/en14020312. (SCI扩展期刊, EI, 2.702, Q2, T2)