Smith, Patricia L. <br/><br/>
Instructional design / 
atricia L. Smith ; Tillman J. Ragan 
 - New York :  John Wiley & Sons Ltd.,  1999. 
 - xv, 399 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>9780471365709 047136570X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instructional systems--Design
<br/><br/><label>LC Class. No.: </label>LB1028.35