Chopra, Kamala  . <br/><br/>
Reinforcement among infants /  
edited by Chopra Kamala. 
 - Agra :   National Psychological Corporation ,   1983 
 - xiv, 103p :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology-Child psychology
<br/><br/><label>Dewey Class. No.: </label>S13  / M3;1