?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Onny&rft.au=Onny+Fitriana%2C+Onny&rft.aulast=Onny+Fitriana&rft.title=Management+Studies+and+Entrepreneurship+Journal&rft.atitle=Penerapan+Digital+Marketing+Dalam+Mempertahankan+UMKM+Di+Masa+Pandemi+Covid-19&rft.genre=article