See Allo

Malott, Deane W., author

The Agricultural industries

McGraw-Hill, 1939

Buku Teks

Vance, Stanley C., author

American industries

Prentice-Hall, 1955

Buku Teks

Agricultural ecology

Buku Teks

Tivy, Joy, author

Agricultural ecology

Longman Scientific & Technical, 1992

Buku Teks

Singh, Jasbir, author

Agricultural geography

Tata McGraw-Hill, 1984

Buku Teks

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