India : economic regionalization of India :
- [New Delhi : Manager of Publications, 1968]
- xxxviii, 257 p. :
- Census of India, 1961. Monograph series ; v. 1, no. 8 .
P. Sen Gupta and Galina Sdasyuk ; Scientific consultant, V. V. Pokshishevskiy ; Editor A. Chandra Sekhar, Registrar General & ex-officio Census Commissioner for India.-