%0 Journal Article %A جعفرنیا, M., اسماعیلی, A. %T Application of environmental impact analysis of technical efficiency: A case study of Shiraz fattening units of beef cattle %J Agricultural Economics Research %V 5 %N 2 %P 151-164 %D 2013 %R %U https://sanad.iau.ir/fa/Article/1160609