Gagne, Robert M.  1916-2002., <br/><br/>
Principles of instructional design /Robert M. Gagne, Leslie J. Briggs, Walter W. Wager. 

 - third edition. 
 - New York :  Holt, Rinehart, and Winston,  (c)1988. 
 - xii, 352 pages :  illustrations ;  24 cm. 
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<br/><br/><label>LCCN: </label>87018618 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instructional systems--Design.<br/>Learning.
<br/><br/><label>LC Class. No.: </label>LB1050  / .P756 1988 LB1050