Mager, Robert F  <br/><br/>
Preparing objectives for programmed instruction / 
Robert F Mager. 
 - San Francisco :  Fearon Publishers,  1962. 
 - x, 62 p. :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>          Teaching machines
<br/><br/><label>Dewey Class. No.: </label>371.3944  / MAG