?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Nguyen%2C+Ha+Nam&rft.aulast=Nguyen&rft.aufirst=Ha+Nam&rft.issue=7&rft.volume=18&rft.date=2015&rft.issn=1344-8994&rft.atitle=Smartphones+Behavior+Analysis+based+on+Sequential+Pattern+Approaches&rft.title=Information+Journal&rft.pages=3245-3252&rft.genre=article