@article{analysisoftheeffectivenessofface,
  title = {Analysis of the Effectiveness of Face-Coverings on the Death Ratio of COVID-19 Using Machine Learning},
  author = {Ali Lafzi and Miad Boodaghi and Siavash Zamani and Niyousha Mohammadshafie and Veeraraghava Raju Hasti},
  year = {2021},
  eprint = {2102.04419},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2102.04419v2},
}