?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Vu%2C+Tuan+Trinh+Anh&rft.aulast=Vu&rft.aufirst=Tuan+Trinh+Anh&rft.date=2020&rft.title=Indoor+Positioning+using+BLE+iBeacon%2C+Smartphone+Sensors+and+Distance-based+Position+Correction+Algorithm&rft.btitle=Intelligent+Computing+in+Engineering&rft.tpages=10&rft.genre=bookitem