Govt. Of.....(ministry OF Industry) <br/><br/>
Public Enterprises Survey 1997-98 
Govt. Of.....(ministry OF Industry) 
 - New Delhi  New Delhi, Ministry of Industry  1997 
 - 5239, 320, 720 
 -  Vol.1,2,3 .
<br/><br/><label>Source: </label>Textbook