Frank R Rusch, Dennis E Mithaug <br/><br/>
Vocational training for mentally retarded adults : a behavior analytic approach 

 - Research Press, Illinois  1980 
 - xvii,223p figs. 
<br/><br/><label>ISBN: </label>0-87822-203-0 
<br/><br/><label>Dewey Class. No.: </label>371.92 Rus/Mit