@article{article308,
  title = {Some Mathematical Models and Applications Used in Epidemics},
  author = {ÇİLLİ, A. and ERGEN, K. and AKAT, E.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2019},
  volume = {37},
  pages = {17-23},
  doi = {}
}