Ray, Subhash C <br/><br/>
Data envelopment analysis  theory and techniques for economics and operations research 

 - Cambridtge  Cambridge univ press  2004 
 - xii;353 
<br/><br/><label>ISBN: </label>521802563 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Efficiency measurement<br/>Manufacturing<br/>Productivity