Comparison of China's oil import risk: Results based on portfolio theory and a diversification index approach, G.Wu,L.-C Liu,Y.-M Wei,2009.-期刊论文-能源与环境政策研究中心

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Comparison of China's oil import risk: Results based on portfolio theory and a diversification index approach, G.Wu,L.-C Liu,Y.-M Wei,2009.

作者：来源：日期：2014-05-20 访问量：