Woelke, Manfred
Statistical information on Indonesian agriculture
Nasional Printers Pte, 1978
Buku Teks SO
Mead, R.
Statistical methods in agriculture and experimental biology
Chapman & Hall, 1993
Buku Teks
Herren, Ray V.
The science of agriculture : a biological approach
Delmar Cengage Learning, 2012
Buku Teks
Black, John Donald
Introduction to economics for agriculture
Macmillan, 1953
Buku Teks
Cohen, R.L.
The economics of agriculture with an introduction
University Press, 1955
Buku Teks