Grainger, A. J. <br/><br/>
The bullring :  a classroom experiment in moral education / 
A. J. Grainger 
 - Oxford :  Pergamon Press,  1970 
 - xx, 158 p. ;  20 cm. 
<br/><br/>Bibliography : p. 154-158. 
<br/><br/><label>LCCN: </label>70-104001 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Moral education