Skill training in the persons with mental retardation : social skills : a package for trainers : towards independence series - 9 / 
National Institute for the mentally handicapped. 
 - Andhra Pradesh:  National Institute for the mentally handicapped,  2007. 
 - viii, 48p.;26cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>232 
<br/><br/><label>Dewey Class. No.: </label>371.9 SKI