?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=A.A.&rft.au=Umar%2C+A.A.&rft.aulast=Umar&rft.title=Characterization+of+native+colloids+and+study+of+emulsions+stabilized+by+asphaltene%2C+wax%2C+silicates+and+calcites+using+optical+analyzer+turbiscan&rft.date=2019&rft.isbn=9781613996393&rft.genre=proceeding