Instructional product development. 

 - New York :  Van Nostrand,  c1971. 
 - xxiii, 264 p. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching--Aids and devices.
<br/><br/><label>LC Class. No.: </label>LB1044.88  / .I67