| 标题 |
The Operational Efficiency Measurement of China’s Top 100 Digital Economy Firms: An Approach Based on DEA and Kernel Density Estimation |
| 网址 | |
| DOI | |
| 其它 |
期刊:Mathematics 作者:Linyan Zhang; Yumeng Zhang; Kun Yang; Jian Zhang 出版日期:2026-05-05 |
| 求助人 | |
| 下载 | 求助已完成,仅限求助人下载。 |
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(2025-6-4)