Mager, Robert F. <br/><br/>
Making Instruction Work 
By; Mager, Robert F. 
 - Belmont, California  David S. Lake Publishers  1988 
 - 200 pages, 24 cm 
<br/><br/><label>ISBN: </label>0-8224-4467-4 
<br/><br/><label>Dewey Class. No.: </label>371.102 M27