?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Hoang+Nhu%2C+Dong&rft.aulast=Hoang+Nhu&rft.aufirst=Dong&rft.issue=14&rft.volume=E3&rft.date=September+2017&rft.atitle=Femtocell+Selection+Scheme+for+Reducing+Unnecessary+Handover+and+Enhancing+Downlink+QoS+in+Cognitive+Femtocell+Networks&rft.title=the+Research+and+Development+on+Information+and+Communication+Technology+Journal&rft.pages=45-51&rft.genre=article