Lauridsen, David, <br/><br/>
The token economy system 
David Lauridsen. 
 - Englewood Cliffs, N.J.  Educational Technology Publications  c1978. 
 - xi, 88 p. 
 - The Instructional design library  v. 19 .
<br/><br/>Bibliography : p. 85-87. 
<br/><br/><label>ISBN: </label>0877781230 
<br/><br/><label>LCCN: </label>77025897  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rewards and punishments in education.<br/>Performance contracts in education.<br/>Incentive Psychology
<br/><br/><label>LC Class. No.: </label>LB3025  / .L35 
<br/><br/><label>Dewey Class. No.: </label>371.5/3