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| 2021, Vol. 28(2): 57-59 DOI: | ||
| Analysis of China Natural Gas Industry Prosperity Index in the Second Quarter of 2021 | ||
| Chen Luyao1, Shen Xilin2 | ||
| 1. Southwest Oil and Gasfield Company; 2. China Natural Gas Industry Prosperity Index Research Center |
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| Received null Revised null | ||
| Supporting info | ||
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