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The national dry onion market : a monthly analysis of New York State's competitive position in eastern markets
Esquivel Figueroa, Enrique, (1991)
The competitiveness of New York State onions during the 1987 - 1988 marketing year
Esquivel Figueroa, Enrique, (1989)
A cultura da cebola no Nordeste
Oliveira, Alfredo Augusto Porto, (1979)