• Cost of production of food crops: Manchester 

      Instituto Interamericano de Cooperación para la Agricultura (IICA); Mulleady, Jose Tomás; Ministerio de Agricultura (Jamaica) (MA) (Instituto Interamericano de Cooperación para la Agricultura (IICA), 1994)
      The costs presented in this publication correspond to the costs of labour and inputs directly used in the production of the crop (variable cost).