Motivating behavior change among illicit-drug abusers :  research on contingency management interventions / 
edited by Stephen T. Higgins and Kenneth Silverman 
 - Washington, D. C. :  American Psychological Association,  1999 
 - xv, 399 p. :  ill. ;  25 cm, 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1557985707  RM160.60 
<br/><br/><label>LCCN: </label>98-047471 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drug abuse--Treatment<br/>Behavior modification<br/>Token economy (Psychology)