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Buku Teks
Andrews, Margaret M., author
J.B. Lippincott, 2003
Buku Teks
Zerwekh, JoAnn Graham, author
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Buku Teks
Catalano, Joseph T., author
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Buku Teks
Champman, Christine M., author
Bailliere Tindall, 1982
Buku Teks