?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Widya&rft.aulast=Yuhana&rft.au=Yuhana%2C+Widya&rft.inst=Universitas+Negeri+padang&rft.title=An+Analysis+of+English+Department+Students%E2%80%99+Ability+in+Pronuncing+English+Front+Vowel+Sounds&rft.degree=Masters%2FTesis&rft.date=February+2015