Brown, P. Charles
Oxford University Press, 1984
Buku Teks
Erol Gelenbe, editor
[, Springer-Verlag], 2012
eBooks
Longman , 1995
Buku Teks
Clynes, A.J.
International Development Program of Australian Universities, 1985
Buku Teks
Clynes, A. J.
International Development Program of Australian Universities and Colleges Limited, 1985
Buku Teks