Petri  <br/><br/>
Motivation : theory, research and applications  
/ Herbert Petri L.. 
 - 4th ed. 
 - Pacific Grove, CA  Brooks/Cole Publishing  1996. 
 - xix, 440p.  ill.  25cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0534204600 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motivation (Psychology)
<br/><br/><label>Dewey Class. No.: </label>153.8 PET 1996