?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Tri&rft.aulast=Handayani&rft.au=Handayani%2C+Tri&rft.inst=Sekolah+Program+Pascasarjana&rft.date=28+March+2024&rft.degree=S3&rft.title=Optimisme+Keberlangsungan+Usaha+PKL+Malioboro+di+Masa+Covid-19.