@article{
  author = {Pikkala, Vijaya Laxmi},
  title = {Bat Algorithm for Optimal Service Parameters in an Impatient Customer <i>N</i>-Policy Vacation Queue},
  journal = {International Journal of Mathematical Modeling & Computations},
  year = {2019},
  volume = {9},
  issue = {2},
  pages = {113-122},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/1081264}
}