Saravanavel, P. Research methodology / By P. Saravanavel. - 1st ed. - New Delhi : Kitab Mahal , 2004. - x,486p. ; 21.5 cm. ISBN: 8122500102 Subjects--Topical Terms: Research Methodology.Scientific Method.Research Process and Design.Documentary Sources of Data. Dewey Class. No.: 001.42 / SARP