Widjojo Nitisastro
Population trends in Indonesia
Equinox Pub., 2006
 Buku Teks SO
Trebici, Vladimir
Romania's population and demographic trends
Meridiane Publishing House, 1976
 Buku Teks SO
Woytinsky, W.S.
World population and production trends and outlook
Twentieth Century Fund, 1953
 Buku Teks SO
World population trends and policies 1977 monitoring export
United Nations, 1979
 Buku Teks SO
Cuban women Changing rurels and population trends / S. Catasus ...[et. al].
International labour office , 1988
 Buku Teks SO