Edward.  l Walker <br/><br/>
Conditioning and instrumental learning 

 - New Delhi  Prentice Hall Of Indai Pvt  Limited  1969 
 - 160p 
<br/><br/>Edward.  l Walker: Conditioning and instrumental learning.  New Delhi.  Prentice Hall Of Indai Pvt  Limited, 1969.--(153.15WAL)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>153.15  / WAL