Holtrop, Hugh R.
New developments in fertility regulation : a conference for Latin American physicians / Hugh R. Haltrop
The Pathfinder Fund,, 1976
 Buku Teks
Fertility and family planning / edited S.J. Behrman; Leslie Corsa., Jr; Ronald Freedman
The University of Michigan Press, 1969
 Buku Teks
Caldwell, John C., editor
Theory of fertility decline/ John C. Caldwell
Academic Press, 1982
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Fertility and family planning: a world view
The University of Mincigan, 1969
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Kerin, Roger A.
Contemporary perspectives on strategic market planning
Allyn and Bacon, 1990
 Buku Teks