Pradhan, Ambika. A comparative study on surface and foam properties of natural and synthetic surfactants and characterization of natural surfactants/ Ph.D. Ambika Pradhan; supervised by Amitabha Bhattacharyya - Gangtok: Sikkim University, July 2018. - xxiv, 251 p. Subjects--Topical Terms: Environmental Effects Dewey Class. No.: 668.1 / PRA/C