Mager, Robert Frank,  1923- <br/><br/>
Preparing instructional objectives :  a critical tool in the development of effective instruction / 
Robert F. Mager. 
 - 3rd ed. 
 - Atlanta, GA :  Center for Effective Performance,  c1997. 
 - vii, 193 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>1879618036 
<br/><br/><label>LCCN: </label>96072449  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lesson planning.<br/>Education--Aims and objectives.
<br/><br/><label>LC Class. No.: </label>LB1027.4  / .M35 1997 
<br/><br/><label>Dewey Class. No.: </label>371.3/028