?url_ver=Z39.88-2004&rft_id=10.1109%2FICEED.2011.6235359&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=A.&rft.aulast=Zainal+Abidin&rft.au=Zainal+Abidin%2C+A.&rft.isbn=9781457712593&rft.title=Team-based+electronic+portfolio&rft.date=2011&rft.genre=proceeding