?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Adilla+Santi&rft.aulast=Siregar&rft.au=Siregar%2C+Adilla+Santi&rft.inst=Universitas+Negeri+Padang&rft.title=Pengaruh+Google+Classroom+dan+Whatsapp+terhadap+Hasil+Belajar+Geografi+Kelas+XI+IPS+di+SMA+Negeri+1+Dumai&rft.degree=Bachelor%2FSkripsi&rft.date=2022