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"A purchasing management strategy model about grading and classifying ..."
Chen Zhao et al. (2016)
- Chen Zhao, Gang Xu, Yaming Tian, Wei Ren, Chengwen Lv, Bing Yin, Taixin Liang:

A purchasing management strategy model about grading and classifying railway materials based on material grouping. LISS 2016: 1-5

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