• 1 Agricultural prices
• 1 Agriculture and state
• 1 Costs
• 1 Economic aspects
• 1 Farm equipment
• 1 Prices

• 1 Centro de Estudos Agrícolas (Instituto Brasileiro de Economia)
• 1 São Paulo (Brazil : State). Instituto de Economia Agrícola

• 1 São Paulo (State)

• 2 Periodicals

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