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3. Bhende Asha and Kanitkar (1985), Principles of Population Studies, Himalaya Publishing House, Mumbai. P.- 2, 3
4. Hattiholi R.R. ‘Popultion control measures’ social reformation edited book, Basaveshwar Research nd Information Centre,Dharwad.
5. Sunilkumar Munshi (1996) analyzed ‘Some thoughts on the problems of development of Population Geography.