?url_ver=Z39.88-2004&rft_id=10.1109%2FIC3e.2018.8632655&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Hashim&rft.au=Hashim%2C+A.S.&rft.aufirst=A.S.&rft.date=2018&rft.title=Usability+of+ShopCart+among+Customers+at+Shopping+Malls&rft.isbn=9781538672631&rft.genre=proceeding