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Buku Teks
Barnett, Harold J., author
John Hopkins Press, 1963
Buku Teks
The University of Massachusetts Pres, 1981
Buku Teks
Akhmad Fauzi, author
Gramedia Pustaka Utama, 2010
Buku Teks
Istiyanti, author
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UI - Tesis (Membership)