Skill training in the persons with mental retardation : toilet training : a package for trainers : towards independence series -4 / 
National Institute for the mentally handicapped. 
 - Andhra Pradesh:  National Institute for the mentally handicapped,  2008. 
 - vi, 38p.; 28cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>231 
<br/><br/><label>Dewey Class. No.: </label>371.9 SKI