Widjojo Nitisastro, author
Population trends in Indonesia
Cornell University Press , 1970
 Buku Teks
Widjojo Nitisastro, author
Population trends in Indonesia
Equinox Pub., 2006
 Buku Teks
Trebici, Vladimir
Romania's population and demographic trends
Meridiane Publishing House, 1976
 Buku Teks
Woytinsky, W.S., author
World population and production trends and outlook
Twentieth Century Fund, 1953
 Buku Teks
World population trends and policies 1977 monitoring export
United Nations, 1979
 Buku Teks
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