?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Hanifah&rft.au=Hanifah%2C+Zakiyah&rft.aufirst=Zakiyah&rft.title=Teaching+Senior+High+School+Students+to+Write+Personal+Letters+by+Using+Google+Classroom&rft.degree=Bachelor%2FSkripsi&rft.inst=Universitas+Negeri+Padang&rft.date=10+June+2019