Ortolano, Leonard
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Bambang Sudjatmiko, author
Program Pascasarjana Universitas Indonesia, 2005
UI - Tesis (Membership)
Gilpin, Alan, author
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Buku Teks
Westman, Walter E.
John Wiley & Sons, 1985
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Barbara Carroll and Trevor Turpin ; with Adam Boyden, Alison Carroll, and Ruth Thomas
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