Health and socio- economic survey of Calcutta metropolian develpment area, 1976-77. 

 - Calcutta  Indian Statistical Institute India         1980 
<br/><br/> Tables with notes part iii 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y33:(L:5).275.N77<--N76t4, L7/GD