沈阳工业大学学报(社会科学版)
基于DEA-Malmquist指数的装备制造业技术创新效率分析
和晨阳
Analysis on technological innovation efficiency of equipment manufacturing industry based on DEA-Malmquist Index
HE Chen-yang
沈阳工业大学学报(社科版) . 2021, (6): 518 -525 .  DOI: 10.7688/j.issn.1674-0823.2021.06.05