?url_ver=Z39.88-2004&rft_id=10.11113%2Fjt.v78.8512&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Kutty%2C+S.R.M.&rft.aulast=Kutty&rft.aufirst=S.R.M.&rft.title=Jurnal+Teknologi&rft.issn=01279696&rft.atitle=Copper+removal+from+biological+treatment+system+using+modified+adsorbent+derived+from+groundwater+treatment+plant+sludge+and+rice+husk&rft.volume=78&rft.date=2016&rft.pages=53-57&rft.issue=5-3&rft.genre=article