Instruction of students with severe disabilities / 
Marthe E. Snell, editor. 
 - 4th ed. 
 - Columbus, Ohio :  Merrill,  1993. 
 - xiv, 639 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0024137510 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Handicapped children--Education--United States.<br/>Special education--United States.