Harris, Mary B. <br/><br/>
Classroom uses of behavior modification / 
Mary B. Harris 
 - Columbus, Ohio :  Charles E. Merrill,  1972 
 - vii, 440 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>ISBN: </label>067509156X 
<br/><br/><label>LCCN: </label>77-182944 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classroom management<br/>Educational psychology