【作者(必填)】
M C A Silva Portela, E Thanassoulis and G Simpson
【文题(必填)】
Negative data in DEA: a directional distance approach applied to bank branches
【年份(必填)】
2004
【全文链接或数据库名称(选填)】The Journal of the Operational Research Society 2004 Vol.55 NO.10 P1111-1121

http://www.palgrave-journals.com/jors/journal/v55/n10/full/2601768a.html?file=/jors/journal/v55/n10/full/2601768a.html