?url_ver=Z39.88-2004&rft_id=10.52763%2FPJSIR.PHYS.SCI.64.3.2021.206.213&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Irfan%2C+M.&rft.aulast=Irfan&rft.aufirst=M.&rft.atitle=Evaluation+of+enhancement+factor+for+removal+of+heavy+metal+ions+from+water+through+adsorption+by+non-activated+and+activated+carbon+prepared+from+rice+husk&rft.pages=206-213&rft.issue=3&rft.volume=64&rft.issn=22216413&rft.date=2021&rft.title=Pakistan+Journal+of+Scientific+and+Industrial+Research+Series+A%3A+Physical+Sciences&rft.genre=article