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Buku Teks
Vatikiotis, Michael R.J., author
Routledge, 1997
Buku Teks
Vatikiotis, Michael R.J., author
Routledge, 1993
Buku Teks
Heeger, Gerald A., author
Macmillan, 1974
Buku Teks
edited by John D. Montgomery, William J. Siffin
McGraw-Hill, 1966
Buku Teks