Smith, Patricia L & Ragan, Tillman J <br/><br/>
Instructional design 

 - 3rd ed 
 - John Wiley & Sons  2005 
 - xv,383 
<br/><br/><label>ISBN: </label>978-0-471-39353-5 
<br/><br/><label>Dewey Class. No.: </label>371.3 Smi/Rag