Briggs, David J., author
Agriculture and environment: the physical geography of temperature agriculture systems
Longman Scientific & Technical, 1994
 Buku Teks
Vasey, Daniel E., author
An ecological history of agriculture: 10,000 B.C.-A.D. 10,1000
Iowa State University Press, 1992
 Buku Teks
Altieri, Miguel A., author
Agroecology: the scientific basis of alternative agriculture
Westview Press, 1987
 Buku Teks
Agroecology : researching the ecological basis for sustainable agriculture
editor, Stephen R. Gliessman
Springer-Verlag, 1990
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Advances in soil organic matter research: the impact on agriculture and the environment
by W.S. Wilson ... [and others]
The Royal Society of Chemistry, 1991
 Buku Teks
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