Merrill, David M. <br/><br/>
Instructional design  readings. 

 - Englewood Cliffs, N.J.  Prentice-Hall  1971. 
 - xv, 393 p.  ill. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching--Aids and devices.