Annual survey of industries 1970  Census sector Provisional results general review  
/ Central Statistical Organisation  
 - Calcutta:   Central Statistical Organisation,   1970 
 - 157p.  
<br/><br/><label>Subjects--Index Terms: </label>Census sector  
<br/><br/><label>Universal Decimal Class. No.: </label>I 351.824(0834)  / L4