Leifer, Michael, author
Routledge, 1995
Buku Referensi
Leifer, Michael, author
Routledge, 1996
Buku Referensi
Leifer, Michael, author
London Routledge 2001,
Buku Referensi
Leifer, Michael, author
Routledge, 2001
Buku Referensi
John Funston
ISEAS, 2001
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