@article{
  author = {Jalili, Ahmad, Akbari, Reza, Keshtgari, Manijeh },
  title = {A New Set Covering Controller Placement Problem Model for Large Scale SDNs},
  journal = {Journal of Information Systems and Telecommunication (JIST) },
  year = {2018},
  volume = {6},
  number = {21},
  pages = {25-32},
  doi = {10.7508/jist.2018.21.004}
}