Panjaitan, T. W. S., Pandyaswargo , A. H., Atmaja , T. D., Firman , F. A. and al Irsyad , M. I. (2024) “Drawing Insights from Japan’s Energy Efficiency Policies for Indonesia’s Progress”, Indonesian Journal of Energy, 7(2), pp. 107–123. doi: 10.33116/ije.v7i2.212.