Ramírez, César. <br/><br/>
Ergonomía productividad  César Ramírez Cavassa. 

 - 2a. ed. 
 - México  Limusa  2006. 
 - 434 p.  ill.  15.5cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9681868404 9789681868406 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human engineering