Kumar,Sunil <br/><br/>
Productivity and factor substitution   theory and analysis 

 - New Delhi  Deep & Deep  2001 
 - x,274p. 
<br/><br/><label>ISBN: </label>8176293520 
<br/><br/><label>Subjects--Index Terms: </label>productivity  factor substitution 
<br/><br/><label>Dewey Class. No.: </label>338.312  / KUM