Wager, Walter W. <br/><br/>
Principles of instructional design 

 - 3nd ed. 
 - London  ; Harcourt Brace Jovanovich Collage Publishers  , 1990 
 - vii,166p. 
<br/><br/><label>ISBN: </label>0030339820   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>378.199  / WAG