@article{article1797,
  title = {Two modified forms of the SAIR model with a fuzzyfied vaccination effectiveness parameter},
  author = {BALDEMÄ°R, H. and AKIN, A. and AKIN, Ã.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2025},
  volume = {43},
  pages = {887-898},
  doi = {10.14744/sigma.2025.00077}
}