Millan JA and N Aldaz (1998). “Agricultural Productivity of the Spanish Regions: A Non-Parametric Malmquist Analysis.” Appl Econ 30(7): 875-884.

Millan JA and N Aldaz (1998). “Agricultural Productivity of the Spanish Regions: A Non-Parametric Malmquist Analysis.” Appl Econ 30(7): 875-884.

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