?url_ver=Z39.88-2004&rft_id=10.1109%2FITSIM.2010.5561615&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=A.&rft.aulast=Mushtaq&rft.au=Mushtaq%2C+A.&rft.title=Issues+with+flexibility%3A+A+reason+for+not+using+online+reservation+systems%3F&rft.date=2010&rft.isbn=9781424467181&rft.genre=proceeding