?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Hasibuan&rft.au=Hasibuan%2C+Irna+Damayanti&rft.aufirst=Irna+Damayanti&rft.title=Improving+Students%E2%80%98+Vocabulary+Mastery+by+Using+Frayer+Model+for+Senior+High+School+Students&rft.degree=Bachelor%2FSkripsi&rft.inst=Universitas+Negeri+Padang&rft.date=27+August+2016