Sunil Kumar <br/><br/>
Productivity and factor substitiution    Theory and    

 - New Delhi   Deep and Deep Publication India       2001 
 - x,274p Bib p 251-72  cm. 
<br/><br/><label>ISBN: </label>8176293520 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Production Engeeniring
<br/><br/><label>Dewey Class. No.: </label>X:89P:(B), P1