@article{
  author = {Yousefzade, Hamid Reza},
  title = {HHC-PSS: Solving the problem of home health care with a resource constrained project scheduling approach},
  journal = {Journal of New Researches in Mathematics},
  year = {2021},
  volume = {7},
  number = {2},
  pages = {165-186},
  doi = {}
}