Favell, Judith E. <br/><br/>
The power of positive reinforcement  a handbook of behavior modification 
by Judith Elbert Favell. 
 - Springfield, Ill.  Thomas  c1977. 
 - xxi, 266 p.  ill. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LCCN: </label>76045624  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Behavior modification--Handbooks, manuals, etc.