PiotLepetit I, D Vermersch and RD Weaver (1997). “Agriculture’s Environmental Axternalities. DEA Evidence for French Agriculture.” Appl Econ 29(3): 331-338.

PiotLepetit I, D Vermersch and RD Weaver (1997). “Agriculture’s Environmental Axternalities. DEA Evidence for French Agriculture.” Appl Econ 29(3): 331-338.

Leave a Reply