2016
A purchasing management strategy model about grading and classifying railway materials based on material grouping.
[DOI]
Chen Zhao
,
Gang Xu
,
Yaming Tian
,
Wei Ren
,
Chengwen Lv
,
Bing Yin
,
Taixin Liang
Proceedings of the International Conference on Logistics, Informatics and Service Sciences, 2016