Mager, Robert Frank  1923- <br/><br/>
Preparing instructional objectives / 
Robert F. Mager. 
 - 2nd ed. 
 - Belmont:   Fearon,   1975.  
 - 136 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>082245601X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmed instruction
<br/><br/><label>Dewey Class. No.: </label>371.3