?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Persada&rft.au=Persada%2C+Ade&rft.aufirst=Ade&rft.inst=Universitas+Negeri+Padang&rft.date=August+2015&rft.degree=Bachelor%2FSkripsi&rft.title=An+Analysis+of+Students%60+Vocabulary+Mastery+at+the+First+Grade+of+SMA+Pertiwi+1+Padang