?url_ver=Z39.88-2004&rft_id=10.1504%2FIJGENVI.2012.049375&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Daffalla%2C+S.B.&rft.aulast=Daffalla&rft.aufirst=S.B.&rft.pages=107-129&rft.atitle=Properties+of+activated+carbon+prepared+from+rice+husk+with+chemical+activation&rft.issue=2-4&rft.volume=12&rft.issn=14666650&rft.date=2012&rft.title=International+Journal+of+Global+Environmental+Issues&rft.genre=article