Kothari, C. R. Research methodology: methods and techniques / C R Kothari, Gaurav Garg - 4th multi colour ed. - New Delhi : New Age International Pvt Ltd Publishers, 2019. - xxi, 458 p. : ill. ; 24 cm. Includes bibliographies and index. ISBN: 9789386649225 Rs.350.00 Subjects--Topical Terms: Research methodology Dewey Class. No.: 001.42 / K8486r 2019 C-