?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Wahyudi&rft.au=Wahyudi%2C+Iqbal&rft.aufirst=Iqbal&rft.title=The+Effect+of+Using+The+Rationale+Software+Toward+Students%E2%80%99+Writing+Achievement+In+Writing+Exposition+Text+In+SMAN+4+Padang&rft.degree=Bachelor%2FSkripsi&rft.inst=Universitas+Negeri+Padang&rft.date=30+January+2015