Mager, Robert Frank, 1923- <br/><br/>
Preparing instructional objectives   

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 - Belmont, California  Pitman Learning Inc.  1975 
 - 136 p. 
 -   .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>371.30282  / M192