PDF(184 KB)
Analysis of National Railway 's Production Efficiency from Perspective of Technical Economy
ZHANG Zhi - jian,YU Zhao - yu
Journal of Railway Engineering Society ›› 2012, Vol. 29 ›› Issue (7) : 93-96.
PDF(184 KB)
PDF(184 KB)
Analysis of National Railway 's Production Efficiency from Perspective of Technical Economy
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