Ayllon, Teodoro <br/><br/>
The token economy :  A motivational system for therapy and rehabilitation  
Teodoro Ayllon, Nathan Azrin 
 - USA :  Prentice Hall,   1968 
 - 288 p.  21 cm. 
 - The Century psychology series .
<br/><br/>Incluye : indices y referencias 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Terapia conductual--Psicoterapia
<br/><br/><label>LC Class. No.: </label>RC489.B4  / A95 1968