Rao, T. A. Subba  <br/><br/>
Manual on developing communication skills in persons with mental retardation / 
T. A. Subba Rao. 
 - New Delhi:  National Institute for the mentally handicapped,  2006. 
 - 382p.; 24cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>184 
<br/><br/><label>Dewey Class. No.: </label>371.9 SUB