?url_ver=Z39.88-2004&rft_id=10.1007%2F978-981-15-9140-2%E2%82%87&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Umar%2C+H.A.&rft.aulast=Umar&rft.aufirst=H.A.&rft.pages=133-150&rft.atitle=An+overview+of+biomass+conversion+technologies+in+nigeria&rft.issn=18653529&rft.date=2021&rft.title=Green+Energy+and+Technology&rft.genre=article