 |  | | Applied Science & Technology Abstracts |
| | | Applied Science and Technology Index |
| | | Current Contents/Social & Behavioral Sciences |
| | | EconLit |
| | | International Abstracts in Operations Research |
| | | International Civil Engineering Abstracts |
| |
| | | Journal of Economic Literature |
| | | Research Alert |
| | | Review of Research on Freight Transport and Logistics |
| | | Scopus |
| | | Social Sciences Citation Index |
| | | Social Scisearch |
|
