Energy scarcity, food supply chain transformation, and poverty reduction in t...
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In order to generate a more reliable value chain actors’ data, we use stratified random sampling in each of the value chain segments to the extent possible. The data come from...
为获取更可靠的价值链参与方数据，我们在可行范围内对价值链各环节均采用分层随机抽样方法。本数据集的数据来源于……
