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World Health Organization, 1978
Buku Teks
Michael J. Reilly, David S. Markenson, editor
Jones and Bartlett Learning, 2011
Buku Teks
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World Health Organization, 1986
Buku Teks
Harrison, Richard, author
Churchile Livingstone, 2001
Buku Teks
Departmen of child and adolescent healthy and development, WHO, 2000
Buku Teks