Green, Paul E Research for marketing decisions / Paul E. Green, Donald S. Tull - 4th. ed. - Englewood Cliffs, N.J. Prentice-Hall 1978 - xiii,673 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0137741588 LCCN: 77-24414 Subjects--Topical Terms: Marketing research