Richey,  Rita C <br/><br/>
The instructional design knowledge base:  : theory, research, and practice 
by Rita C. Richey 
 - New York:  Routledge,  2011. 
 - xx, 219p. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>9780415802000 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching  <br/>Instructional system - Design <br/>Continuing education <br/>Occupational training  <br/>Human information processing