"Census of India, 1991" <br/><br/>
Economic tables  " Vol. 3, Pt. IIIB- B series, Table B-15 (I) (F), B-15 (II) (F), B-16 (F), B-17 (F) " 

 - Andhra  Pradesh Govt. Press       1991 
 - "VII, 641p"  cm. 
<br/><br/><label>Standard No.: </label>162711 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"Y:5.216sN91, P0.2"