Kothari, C. R. Research Methodology: methods and techniques / - 2nd rev. ed. - New Delhi : New Age International Publishers, 2004, reprinted 2013 - xiv, 401 p. : col. ill. ; 24 cm. ISBN: 97881224155223 Rs. 200.00 Subjects--Topical Terms: Research--Methodology--Textbooks Dewey Class. No.: 001.42 / K8486