?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Gumala+Resti&rft.aulast=Halin&rft.au=Halin%2C+Gumala+Resti&rft.inst=Universitas+Negeri+Padang&rft.degree=Bachelor%2FSkripsi&rft.date=26+April+2016&rft.title=Vocabulary+Mastery+by+the+Second+Year+English+Department+Students+of+Universitas+Negeri+Padang