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| 2020, Vol. 27(3): 9-13 DOI: | ||
| Suggestions for Improving the Quality and Efficiency of Petroleum Enterprises | ||
| Liu Chaoquan1, Xie Wei1, Zhang Kai2 | ||
| 1. CNPC Economics & Technology Research Institute; 2. CNPC International Ltd. |
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| Received null Revised null | ||
| Supporting info | ||
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