Hammonds, Carsie, 1894-, author
Teaching agriculture
Mcgraw-Hill , 1950
 Buku Teks
Conservation and agriculture
edited by Joan Davidson and Richard Lloyd
John Wiley & Sons, 1979
 Buku Teks
Moverley, John, author
Microcomputers in agriculture
Harper-Collins, 1986
 Buku Teks
Larson, Adlowe L., author
Agriculture marketing
Prentice-Hall, 1957
 Buku Teks
Briggs, David J., author
Agriculture and environment: the physical geography of temperature agriculture systems
Longman Scientific & Technical, 1994
 Buku Teks
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