?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Natalia&rft.au=Natalia%2C+Ciskha&rft.aufirst=Ciskha&rft.inst=Universitas+Negeri+padang&rft.date=December+2011&rft.degree=Bachelor%2FSkripsi&rft.title=Teaching+Writing+Expository+Texts+at+University+by+Using+Collaborative+Writing+Technique+through+Google+Docs%2C+English+Department+FBS+UNP