Educational psychology / 
Skinner, Charles E. 
 - 4th edition. 
 - New Delhi :  Prentice-Hall of India Private Ltd.,  c1959 
 - x,755 pages :  ills.;  23cm.  Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>81 203 0302 4 
<br/><br/><label>Subjects--Personal Names: </label>--Educational Psychology.
<br/><br/><label>Dewey Class. No.: </label>372.15 EDU