Przeworski, Adam, author
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Buku Teks
Ulrichsen, Kristian, author
Palgrave Macmillan, 2016
Buku Teks
Anderson, Martin, author
Hover Institution Press, 1978
Buku Teks
Ordeshook, Peter C., author
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Buku Teks
Kotler, Philip, author
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Buku Teks