Mager, Robert Frank,  1923-. <br/><br/>
Preparing instructional objectives. 

 - Palo Alto, Calif. :  Fearon,  c1962. 
 - 60 p. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching machines.
<br/><br/><label>LC Class. No.: </label>LB1028.5  / .M33