采购视角下的嵌入性食品供应链风险问题研究——以保定A超市的蔬菜采购为例
채구시각하적감입성식품공응련풍험문제연구——이보정A초시적소채채구위례
Research of Food Supply Chain Risk Issues from the Perspective of Purchasing——in the Case of A Supermarket of Baoding
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