?url_ver=Z39.88-2004&rft_id=10.1007%2F978-981-10-8276-4%E2%82%81%E2%82%86&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=O.W.&rft.aulast=Xin&rft.au=Xin%2C+O.W.&rft.title=Lecture+Notes+in+Electrical+Engineering&rft.date=2018&rft.isbn=9789811082757&rft.volume=488&rft.issn=18761100&rft.pages=161-171&rft.atitle=Gamification+Effect+of+Loyalty+Program+and+Its+Assessment+Using+Game+Refinement+Measure%3A+Case+Study+on+Starbucks&rft.genre=article