?url_ver=Z39.88-2004&rft_id=10.1109%2FITSIM.2008.4631686&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Nasr%2C+A.A.&rft.aulast=Nasr&rft.aufirst=A.A.&rft.date=2008&rft.title=Blogging+as+a+means+of+knowledge+sharing%3A+Blog+communities+and+informal+learning+in+the+blogosphere&rft.isbn=9781424423286&rft.genre=proceeding