@article{4805,
  author       = {Attaullah, Hasina and Javed, Muhammad Younus },
  issn         = {2233-9299},
  journal      = {Journal of Convergence Information Technology},
  number       = {3},
  pages        = {59--64},
  publisher    = {AICIT},
  title        = {{QoS based Vertical handover between UMTS, WiFi and WiMAX Networks}},
  doi          = {10.4156/jcit.vol4.issue3.8},
  volume       = {4},
  year         = {2009},
}