Kothari, CR and Garg, Gaurav Research methodology : methods and techniques/ CR Kothari ; Gaurav Garg. - 3rd ed. - New Delhi : New Age International (P) Limited, Publishers, 2014. - xx, 449 p. : illustrations (colour) ; 24 cm. ISBN: 9788122436235 Subjects--Topical Terms: Research--Methodology Dewey Class. No.: 300.723 / KOR 2013