Wielkiewicz, Richard M.; Calvert, Christiane R.X.,  c1989. <br/><br/>
Training and Habilitating Developmentally Disabled People :  an introduction / 
Wielkiewicz, Richard M.; Calvert, Christiane R.X. 
 - U.S.A. :  SAGE Publications, Inc,  c1989. 
 - p211 :  illus. ;  20.32 cm. 
<br/><br/><label>ISBN: </label>0803933568