?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Annisa&rft.au=Annisa%2C+Dian&rft.aufirst=Dian&rft.inst=Universitas+Negeri+padang&rft.degree=Bachelor%2FSkripsi&rft.date=August+2015&rft.title=An+Analysis+of+Classroom+Interactions+at+English+Class+of+SMAN+1+Payakumbuh