?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Z.H.&rft.au=Zaini%2C+Z.H.&rft.aulast=Zaini&rft.atitle=Effectiveness+and+usability+evaluation+of+'Li2D'+courseware&rft.pages=747-750&rft.volume=50&rft.issn=2010376X&rft.date=2011&rft.title=World+Academy+of+Science%2C+Engineering+and+Technology&rft.genre=article