@article{article61,
  title = {Exergetic and energetic evaluation of an innovative solar air Heating system coated with graphene and copper oxide nanoparticles},
  author = {Kumar, R. and Verma, S.K.},
  journal = {Journal of Thermal Engineering},
  year = {2021},
  volume = {7},
  pages = {447-467},
  doi = {10.18186/thermal.887023}
}