Green, Paul E. Research for marketing decision Paul E. Green, Donald S. Tull; Gerald Albaum. - 5th ed. - New Delhi Prentice Hall India [n.d.] - xii, 784p., 24cm - (Prentice-Hall essence of management series) . ISBN: 81-2030757-7. Dewey Class. No.: 658.83 / G75R