Tripathi, P. C. A textbook of research methodology in social sciences / P. C. Tripathi and Anita Shukla - New Delhi : Sultan Chand and Sons, 2002. - xvi, 320 p. ; 24 cm. Includes bibliography p. 219 - 320. eng ISBN: 8170148618 Subjects--Topical Terms: Research methodologyHypothesisData collection Dewey Class. No.: 300.72 TRI