Inter-temporal and cross-section variations in technical efficiency in the Indian railways
| Year of publication: |
1994
|
|---|---|
| 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
|