Census of India, 1991 <br/><br/>
Economic tables   Pt. III B-B series, Tables  B-2 (F), B-3 (F), B-6(F), B-7(F),B-8(F), B-9(F), B-12(F),B-13(I) (F),B-13 (II) (F)   

 - Kerala  Govt Press           1991 
 - VII, 969p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.212sN91, P1.12