Advancing UN Comtrade for physical trade flow analysis: Addressing the issue of missing values
| Autor: | Zhang, Zhihe, Jiang, Zhihan, Chen, Chuke, Zhang, Xu, Wang, Heming, Li, Nan, Wang, Peng, Zhang, Chao, Ma, Fengmei, Huang, Yuanyi, Qi, Jianchuan, Chen, Wei-Qiang |
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| Zdroj: | In Resources, Conservation & Recycling November 2022 186 |
| Databáze: | ScienceDirect |
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