?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Silviarani%2C+Novia&rft.aufirst=Novia&rft.aulast=Silviarani&rft.date=2020&rft.inst=Universitas+Muhammadiyah+Prof.+DR.+Hamka&rft.degree=Bachelor&rft.title=Perbedaan+Stress+Akademik+Antara+Siswa+Dan+Siswi+Kelas+XI+Ketika+Pandemi+Covid-19+Di+SMKN+58+Jakarta