Cheesman P L <br/><br/>
Positive Behaviour Management A Manual For Teachers P L Cheesman And P E Watts 

 -  London : Croom Helm New York : Nichols C1985. 
 - 164 
 - The Century Psychology Series. .
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0893972282 (U.S. : Pbk)