?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Alfiyani&rft.au=Alfiyani%2C+Lulu+Meilina&rft.aufirst=Lulu+Meilina&rft.degree=S1&rft.date=27+June+2013&rft.title=AN+ANALYSIS+OF+GRAMMATICAL+ERRORS+IN+WRITING+AMONG+THE+SECOND+SEMESTER+STUDENTS+OF+THE+ENGLISH+DEPARTMENT+OF+YOGYAKARTA+STATE+UNIVERSITY+IN+THE+ACADEMIC+YEAR+OF+2011%2F2012&rft.inst=Universitas+Negeri+Yogyakarta