Kothari, C R Research Methodology : methods and techniques / C. R. Kothari & Gaurav Garg. - 5th ed. - New Delhi : New Age International, c2024 - xix, 464 p. : ill. ; 24 cm. Includes index ISBN: 9789389802559 Subjects--Topical Terms: EducationRecherche Méthodologie Dewey Class. No.: 300.72 / KOR 2024