@inproceedings{sgem2021s2729,
  title = {PRIMARY AND FINAL ENERGY MIX AND ENERGY EFFICIENCY},
  author = {A. Manowska and B. Bluszcz},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Nano, Bio, Green and Space: Technologies for Sustainable Future},
  year = {2021},
  pages = {197-204},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2021v/6.2/s27.29}
}