Webb, James, author
Naval Institute Press , 1981
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Boreth Ly, author
ISEAS/BUFS, 2018
Artikel Jurnal
Jackson, John Brinckerhoff, 1909-, author
Yale University Press, 1994
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Stutely, Richard
The Economist Books, 1992
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Vinogradoff, Paul, 1854-1925, author
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Buku Teks