?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Refnaldi&rft.au=Refnaldi%2C+Refnaldi&rft.aufirst=Refnaldi&rft.title=Language+Scaffolding+Tasks+in+Genre-Based+Writing&rft.date=February+2006&rft.genre=proceeding