Mager Robert .F <br/><br/>
Preparing Instructional Objectives ( Second Edition) 

 - California  Fearon  publishers , Inc .  1975 
 -  21 cm 
<br/><br/><label>ISBN: </label>0  8224  5601  X 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>371. 3