Technical demography
Ramakumar, R.
Technical demography R. Ramakumar - New Delhi Wiley Eastern c1986 - viii,223p.; 22cm.
Population
Population-Demography
301.320212 / RAM
Technical demography R. Ramakumar - New Delhi Wiley Eastern c1986 - viii,223p.; 22cm.
Population
Population-Demography
301.320212 / RAM