See Allo

Smith, T. Lynn, author

Fundamentals of population study

J. B. Lippincott Company, 1960

Buku Teks

Petersen, William, author

Macmillan, 1961

Buku Teks

Petersen, William, author

Macmillan, 1969

Buku Teks

Petersen, William, author

Macmillan, 1969

Buku Teks

The population problem

edited by Stanley Johnson

John Wiley & Sons, 1973

Buku Teks

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