?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Dwiana%2C+Nabilla+Arko+Agus&rft.aulast=Dwiana&rft.aufirst=Nabilla+Arko+Agus&rft.degree=Bachelor&rft.inst=Universitas+Muhammadiyah+Prof.+Dr.+Hamka&rft.date=2020&rft.title=Dampak+Virus+Covid-19+Terhadap+Belanja+Online+di+DKI+Jakarta