Sundel Martin <br/><br/>
Behavior modification in the human services    a systematic introduction to concepts and applications 

 -  1975 
<br/><br/><label>Standard No.: </label>81,304 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>S:86, L52