Agarwal, D R Qualitative Methods - 3rd ed. - Delhi Vrinda Pub(p) Ltd 2004 - P.1157 ISBN: 82872125-83-7 Subjects--Uniform Titles: --MBA Library Subjects--Topical Terms: Computer science, information & general works Knowledge--Social controlResearchManagement Dewey Class. No.: 001.42 / AGA-Q