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1
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2
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3
Farmers' estimations as a source of production data methodological guidelines for cereals in Africa
Baskı/Yayın Bilgisi 1991Kitap -
4
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5
A Barangay data base in agriculture three barangays in Guimaras sub-province.
Baskı/Yayın Bilgisi 1984Kitap -
6
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7
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8
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9
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10


