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18.97.9.171
18.97.9.171
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철도경영성과면에 있어서의 객화비율문제
An Analysis on the Proportion of Passenger - Cost and Cargo - Cost in the Management of K . N . R .
김차룡 ( Cha Ryong Kim )
경제학연구 vol. 15 174-211(38pages)
UCI I410-ECN-0102-2008-320-001053926
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