Global S&T Development Trend Analysis Platform of Resources and Environment
分面浏览：作者 |
| 当前检索式 | ((ALL：Bulgaria)) |
| 限定条件 | ((发表日期：2017)) |
| Bebi, Peter 1 | Gogushev, Georgi 1 | Kulakowski, Dominik 1 |
| Panayotov, Momchil 1 | Tsavkov, Evgeni 1 | Tsvetanov, Nickolay 1 |
| Vasileva, Pepa 1 |
