illustrations by A. Kasim Abas ; text by Peter Kedit
Editions Didier Millet, 2005
Buku Referensi
editor, Gabrielle Low
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Buku Referensi
Boundy, Albert W.
McGraw-Hill, 2012
Buku Teks SO
Bridges, D.S.
Springer-Verlag, 1994
Buku Teks SO
Sheil, Graham, 1938-
Currency Press, 1991
Buku Teks