Gagne, Robert Mills  1916-2002 <br/><br/>
Principles of instructional design / 
Robert M. Gagne, Leslie J. Briggs, Walter W. Wager. 
 - 4th ed. 
 - Belmond:   Wadsworth / Thomson,   1992.  
 - xvii, 365 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0030347572 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instructional systems--Design<br/>Learning
<br/><br/><label>Dewey Class. No.: </label>371.3