国家/地区发文分析
国家/地区发文量
| 国家/地区 | 数量 |
|---|---|
| Bulgaria | 55 |
| Ukraine | 10 |
| Russia | 6 |
| Turkey | 5 |
| Azerbaijan | 1 |
| France | 1 |
| GERMANY (FED REP GER) | 1 |
| Serbia | 1 |
| South Korea | 1 |
| Vietnam | 1 |
机构发文量
| 机构 | 数量 |
|---|---|
| BULGARIAN ACADEMY OF SCIENCES | 42 |
| MINISTRY OF EDUCATION & SCIENCE OF UKRAINE | 5 |
| UNIVERSITY OF SOFIA | 5 |
| RUSSIAN ACADEMY OF SCIENCES | 4 |
| NATIONAL ACADEMY OF SCIENCES UKRAINE | 2 |
| SOUTH-WEST UNIVERSITY - BULGARIA | 2 |
| UNIVERSITY FOR LIBRARY STUDIES & INFORMATION TECHNOLOGY | 2 |
| ACIBADEM UNIVERSITY | 1 |
| ARCH STATE AGCY | 1 |
| AZERBAIJAN NATIONAL ACADEMY OF SCIENCES (ANAS) | 1 |