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Buku Teks
Sihite, Charles, author
Sekolah Kajian Stratejik dan Global Universitas Indonesia, 2010
UI - Tesis (Open)
Russel Sage Foundation, 2000
Buku Teks
Bruce, J. Campbell, author
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Buku Teks
Boswell, Richard A., author
Carolina Academic Press, 1992
Buku Teks