基于改进DEA的我国传统产业技术创新效率研究
张本照,杨 雪
TheimprovingDEAresearchontechnologyinnovationefficiencyoftraditionalindustriesinourcountry
ZHANG Ben-zhao ,YANG Xue
Acta Metallurgica Sinica(English letters) . 2008, (5): 52 -56 .