Kahn, Paul,  1916- <br/><br/>
A practical guide to positive reinforcement :  how to develop the skills of behavior modification in the classroom / 
by Paul Kahn 
 - Brooklyn :  Innovative Educational Affairs,  1975 
 - 80 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>0914394037 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classroom management<br/>Behaviour modification