?url_ver=Z39.88-2004&rft_id=10.1109%2FICBEE.2010.5650631&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Zain&rft.au=Zain%2C+A.M.&rft.aufirst=A.M.&rft.title=Petroleum+sludge+stabilization+and+solidification%3A+An+alternative+treatment+using+ordinary+Portland+cement+and+rice+husk+ash&rft.date=2010&rft.isbn=9781424487479&rft.genre=proceeding