?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Rhavy&rft.aulast=Ferdyan&rft.au=Ferdyan%2C+Rhavy&rft.inst=Universitas+Negeri+Padang&rft.title=Pengembangan+Buku+Suplemen+Preventif+COVID-19+Berbasis+Digital+dalam+Pembelajaran+Biologi+untuk+Memberdayakan+Kemampuan+Literasi+Sains+dan+Keterampilan+Berpikir+Kritis+Siswa+SMA&rft.degree=Masters%2FTesis&rft.date=February+2022