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

 - New York  McGraw-Hill  1974 
 - x,342p.  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lesson planning
<br/><br/><label>LC Class. No.: </label>LB1027.D32