Evaluation on technological innovation efficiency for petroleum companies by modified time-series DEA model

YANG Zhiyong; YU Xiaozhong; BAI Long; ZHONG Shuli

doi:10.3969/j.issn.2095-1132.2021.01.012

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Natural Gas Technology and Economy ›› 2021, Vol. 15 ›› Issue (1) : 76-82. DOI: 10.3969/j.issn.2095-1132.2021.01.012

Evaluation on technological innovation efficiency for petroleum companies by modified time-series DEA model

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2021-02-04	2021-02-28
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2022-11-30

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