Population Council
Population council annual report 2001
The population council, 2002
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Petersen, William
Population
Macmillan, 1961
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Petersen, William
Population
Macmillan, 1969
 Buku Teks SO
Petersen, William
Population
Macmillan, 1969
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The population problem
edited by Stanley Johnson
John Wiley & Sons, 1973
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