Tripathi, P. C.
Textbook of research methodology in social sciences - 3rd rev. ed. - New Delhi Sultan Chand 1997 - 173 p.
8170142741
Social Sciences-Research
300.72 TRI-T
Textbook of research methodology in social sciences - 3rd rev. ed. - New Delhi Sultan Chand 1997 - 173 p.
8170142741
Social Sciences-Research
300.72 TRI-T