Kennedy, John F.
Endang, 1956
Buku Teks
BAPPENAS, [date of publication not identified]
Buku Teks
Ople, Blas F., author
The Institute for Public Policy, 2001
Buku Teks
Muller, Herbert J.
A Mentor Books, 1957
Buku Teks
Vlodaver, Zeev, editor
Springer, 2012
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