?url_ver=Z39.88-2004&rft_id=10.3390%2Fmolecules26216424&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=G.&rft.au=Witjaksono%2C+G.&rft.aulast=Witjaksono&rft.issn=14203049&rft.atitle=Effect+of+nitrogen+doping+on+the+optical+bandgap+and+electrical+conductivity+of+nitrogen-doped+reduced+graphene+oxide&rft.title=Molecules&rft.issue=21&rft.date=2021&rft.volume=26&rft.genre=article