?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Abdullah+Mohd+Zin%2C+&rft.aulast=Abdullah+Mohd+Zin&rft.date=28+October+2007&rft.title=The+implementation+of+collaborative+learning+communities+for+object+oriented+programming&rft.genre=proceeding