The retention of literacy / 
Roy, Prodipto and Kapoor, F. M. 
 - New Delhi :  The Macmillan Company of India Ltd.,  c1975 
 - xi,119 pages :  ills.;  22cm.  Includes bibliographies. 
<br/><br/><label>Subjects--Personal Names: </label>--Retention of Literacy.
<br/><br/><label>Dewey Class. No.: </label>374.012 ROY