Welton, David A.
Mifflin Company, 1987
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Sohibun, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2021
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Annisa Syafira Efrial, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2023
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Dagron, Alfonso Gumucio, author
The Rockefeller Foundation, 2001
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Hodgetts, Richard M., author
Saunders, 1977
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