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Buku Teks
Nortman, Dorothy L.
The population council, 1978
Buku Teks
Bloch, Lucille Stephenson, author
World Federation for Medical Education, 1974
Buku Teks
York, Kenneth, H.
West Publishing , 1988
Buku Teks
Von Mehren, Arthur Taylor
Kluwer law and Taxation Publishers, 1988
Buku Teks