Tomasowa, Francien Herlen, author
Lembaga Penerbitan Fakultas Pertanian Universitas Brawijaya , 2003
Buku Teks
Brown, P. Charles, author
Oxford University Press, 1984
Buku Teks
Erol Gelenbe, editor
[, Springer-Verlag], 2012
eBooks
Longman , 1995
Buku Teks
Clynes, A.J., author
International Development Program of Australian Universities, 1985
Buku Teks