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Efficiency change in North-East China agricultural sector: A DEA approachLIU, Shiwei ; ZHANG, Pingyu ; HE, Xiuli ; LI, JingAgricultural economics (Praha), 2015-01, Vol.61 (11), p.522-532 [Periódico revisado por pares]Prague: Czech Academy of Agricultural Sciences (CAAS)Texto completo disponível |