Sundel, Sandra S.  1948 - <br/><br/>
Behavior modification in the human services :  a systematic introduction to concepts and applications/ 
Sandra S. Sundel & Martin Sundel 
 - 3rd ed. 
 - Newbury Park, Calif :  SAGE,  c 1993 
 - xxii, 345 p.;  26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0803934157  $ 48.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Behavior modification
<br/><br/><label>Dewey Class. No.: </label>158.3