Role of Surfactant and Salinity on Crude Oil-Water Interfacial Tension in a part of an Oilfield of Upper Assam Basin admin Past, IJREAS, Volume 7-Issue 6-June-2017 Download File Vishal Kumar Makwana1, Nayan Medhi2, Sabyasaachi Karmakar3, Sumedha Bhattacharya4. Niket Agarwal5