Costa, Leonardo, Alfons Oude Lansink and Elvira Silva (2010); “Animals Health Control Efficiency in Northwest Portugal: A Two-stage DEA Approach“, Food Economics – Acta Agriculturae Scandinavica, Section C, 7(2-4), pp. 197-208.
Costa, Leonardo, Alfons Oude Lansink and Elvira Silva (2010); “Animals Health Control Efficiency in Northwest Portugal: A Two-stage DEA Approach“, Food Economics – Acta Agriculturae Scandinavica, Section C, 7(2-4), pp. 197-208.