George, Carl J.
McGraw-Hill, 1974
Buku Teks
Beatrix Beisner, Christian Messier, Luc-Alain Giraldeau
The University of Chicago Press, 2013
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Muhammad Luthfi Eryando
Fakultas Teknik Universitas Indonesia, 2017
UI - Skripsi (Membership)
Francis, Robert A.
Routledge, 2013
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Parris, Kristen M.
John Wiley & Sons, 2016
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