Wales, Charles E. <br/><br/>
The Guided Design Approach. 

 -  Educational Technology Publications  1978 
 - XIII, 80 P. ; 23 CM. 
<br/><br/> THE INSTRUCTIONAL DESIGN LIBRARY ; V.9 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>877781133 
<br/><br/><label>Dewey Class. No.: </label>371.39442 WAL 1978