Ray, Subhash C. <br/><br/>
Data Envelopment Analysis : Theory and Techniques for Economics and Operations Research 
Ray, Subhash C. 
 -  Cambridge University Press  2004 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780511210952     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences