Sauvy, Alfred
Basic Books, 1969
Buku Teks
Heisel, Donald, author
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Buku Teks
The Demographic Institue FE-UI, 1995
Majalah, Jurnal, Buletin
Heer, David M., author
Prentice-Hall, 1975
Buku Teks
edited by Philip M. Hauser and Otis Dudley Duncan
The University of Chicago Press, 1959
Buku Teks