Wenrich, W W <br/><br/>
Primer of Behavior modification / 
by W W Wenrich. 
 - 2nd ed. 
 - California :  Cole publishing company,  1970. 
 - 94p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Behavior
<br/><br/><label>Dewey Class. No.: </label>150.1943  / WEN