@article{article123,
  title = {Effects of 2019 novel coronavirus (COVID-19) outbreak on global energy demand and the electricity production with renewables: a comprehensive survey},
  author = {KOCA, K. and GENÇ, M.S.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2020},
  volume = {38},
  pages = {1369-1380},
  doi = {}
}