"Research on E-Commerce Purchasing Model in Crude Oil Trade."

Yunfei Li (2021)

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DOI: 10.1155/2021/9994965

access: open

type: Journal Article

metadata version: 2021-09-20

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Yunfei Li:
Research on E-Commerce Purchasing Model in Crude Oil Trade. Sci. Program. 2021: 9994965:1-9994965:10 (2021)

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