Harrop, Alex. <br/><br/>
Behaviour modification in the classroom / 
Alex Harrop. 
 - London :  Hodder & Stoughton,  1983. 
 - 156 p. ;  22 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0340281723 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational psychology.<br/>Behaviour modification.