Mager, Robert Frank <br/><br/>
Preparing instructional objectives 

 - Belmont  Fearon Publishers  1962 
 - xii,60p.  21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmed instruction
<br/><br/><label>LC Class. No.: </label>LB1029.A85M2