基于改进时间序列DEA的石油企业技术创新效率评价
杨智勇, 余晓钟, 白龙, 钟书丽
Evaluation on technological innovation efficiency for petroleum companies by modified time-series DEA model
YANG Zhiyong, YU Xiaozhong, BAI Long, ZHONG Shuli
天然气技术与经济
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2021, (1): 76
-82
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DOI: 10.3969/j.issn.2095-1132.2021.01.012
