?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Bahagia&rft.au=Bahagia%2C+Reski&rft.aufirst=Reski&rft.inst=Universitas+Negeri+Padang&rft.date=February+2018&rft.degree=Bachelor%2FTugas+Akhir&rft.title=Pengembangan+Aplikasi+English+Tesnses+Learning+pada+Smartphone+Berbasis+Android