Cooper, William W. <br/><br/>
Data envelopment analysis : a comprehensive text with models, applications, refe / 
Cooper, William W. 
 - 2nd ed. 
 - New York:  Springer,  2007. 
 - xxxviii, 489p.; 24cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780387452814 
<br/><br/><label>Dewey Class. No.: </label>300.15195 COO