?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Eka+Putri&rft.aulast=Ayunda&rft.au=Ayunda%2C+Eka+Putri&rft.inst=Universitas+Negeri+Padang&rft.title=The+Effect+of+the+Teacher%E2%80%99s+Written+Grammatical+Corrections+on+the+Students%E2%80%99+Grammar+Mastery+in+Student%E2%80%99s+Writing+at+Grade+VIII+of+SMPN+2+Bonjol&rft.degree=Bachelor%2FSkripsi&rft.date=2009