Thomlinson, Ralph
Population dynamics, causes and consequence of world demographic change
Random House , 1976
 Buku Teks SO
Population and social change
edited by D. V. Glass and Roger Revelle
Edward Arnold, 1972
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United Nations
Selected demographic and social characteristics of the world's children and youth
United Nations, 1986
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Bouvier, Leon F.
World population : challenges for the 21st century
Seven Lucks Press, 1999
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Woytinsky, W.S.
World population and production trends and outlook
Twentieth Century Fund, 1953
 Buku Teks SO