?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Ta%2C+Viet+Cuong&rft.aulast=Ta&rft.aufirst=Viet+Cuong&rft.date=24+September+2018&rft.title=Smartphone-based+user+positioning+in+a+multiple-user+context+with+Wi-Fi+and+Bluetooth&rft.genre=proceeding