Gagne, Robert Mills,  1916- <br/><br/>
The condiions of learning / 
Robert M. Gagne 
 - 4th ed. 
 - New York :  Holt, Rinehart and Winston,  1985 
 - 361 p. ;  24 cm. 
<br/><br/>Includes bibliographies (p. 331-349) and index 
<br/><br/><label>ISBN: </label>0030636884 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Learning, Psychology of<br/>Learning<br/>Instructional systems