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The International House of Japan, 2004
Buku Teks
Kotter, John P., 1947-
Free Press, 1997
Buku Teks
Kozo Yamamura
Harvard University Press, 1974
Buku Teks
Smith, Thomas C.
Standford University Press, 1959
Buku Teks
Smith, Thomas C.
Standford University Press, 1965
Buku Teks