Davis Robert H <br/><br/>
Learning system design    an approach to the improvement of instruction 

 - New York  McGraw-Hill        1974 
 - ix,342p.  cm. 
<br/><br/><label>Standard No.: </label>79,866 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>S:43, L4-;1