Coelli, Timothy J. et al. <br/><br/>
An introduction to efficiency and productivity analysis 

 - 2 
 - Berlin  Springer Verlag  2006 
 - XVII+349 
<br/><br/><label>ISBN: </label>0-387-24265-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology & Economics