Inter-temporal and cross-section variations in technical efficiency in the Indian railways
Year of publication: |
1994
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Authors: | Jha, R. ; Singh, S.P. |
Published in: |
International journal of transport economics : IJTE. - Pisa [u.a.] : Serra, ISSN 0391-8440, ZDB-ID 1652813. - Vol. 21.1994, 1, p. 57-74
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