Kerela. Directorate of Economics and Statistics. <br/><br/>
National sample survey 

 - Trivandrum  The Author  1978 
 - v.;  20cm. 
<br/><br/> Based on 27th rounbd national sample survey october 1972- september 1973 
<br/><br/><label>Dewey Class. No.: </label>DB330.95483  / KER