Fitz-enz, Jac <br/><br/>
The ROI of human capital :  measuring the economic value of employee performance / 
Jac Fitz-enz 
 - 2nd ed. 
 - New York :  AMACOM,  2009 
 - xxiii, 312 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780814413326 (hbk.)  RM106.62 0814413323 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human capital<br/>Productivity accounting<br/>Labor economics