| Journal: | Mineracao metalurgia |
| Database: | PERIÓDICA |
| System number: | 000131117 |
| ISSN: | 0100-6908 |
| Year: | 1998 |
| Season: | Ene-Feb |
| Volumen: | 61 |
| Number: | 545 |
| Pages: | 17-18 |
| Country: | Brasil |
| Language: | Portugués |
| Document type: | Artículo |
| Approach: | Divulgación |
| Disciplines: | Economía, Ingeniería |
| Keyword: | Economía del transporte, Empresas, Ingeniería de transportes, Transportes, Ferrocarriles, Productividad, Brasil |
| Keyword: | Economics, Engineering, Enterprises, Transport economics, Transportation engineering, Transports, Railroads, Productivity, Brazil |
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