Kumar, P. <br/><br/>
Vyavasayik Parivesh / 
By P Kumar. 
 - 1st Ed. 
 - Delhi :  Sri Mahavir Book Depo,  2000. 
 - 515 p. ;  00 cm. 
<br/><br/><label>Dewey Class. No.: </label>338.7  / KUM