Census of India 1961 <br/><br/>
Economic regionalization of India: problems and approaches 

 - Delhi  The Manager of Publications  1968 
 - 257+p. 
 - Census of India 1961. Volume 1, Monograph No. 8 .
<br/><br/><label>Dewey Class. No.: </label>A81x54 In2/61/1/No8