Mager, Robert F.  1923- <br/><br/>
Preparing instructional objectives 
Robert F. Mager 
 - Rev. 2nd ed 
 - Belmont, Calif.  Pitman Learning Inc.  1984 
 - 136p. ill. 21cm 
<br/><br/> First ed. published in 1961 under title: Preparing objectives for Programmed instruction 
<br/><br/><label>ISBN: </label>0822443413 
<br/><br/><label>LCCN: </label>83-60503 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmed instruction