| Title: | Direction of Trade Statistics |
| Subtitle: | |
| Nationality: | USA |
| ISSN: | 0252-306X |
| UDC: | 339:311 |
| Note: | Qarterly |
| University of Economics - | Varna - | 1998 |
| University of Economics - | Varna - | 1999 |
| University of Economics - | Varna - | 2009 |
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