Behaviour modification : What it is and how to do it / Martin,Garry and Pear,Joseph - 7th ed. - New Dehli: Prentice-Hall, c2002 - xx,470p.: ill.: 24cm. It includes bibliographical references and indexes ISBN: 81 203 2210 X Subjects--Personal Names: --Psychology-Behaviour Dewey Class. No.: 153.85 MAR