Knowledge Resource Center for Ecological Environment in Arid Area
分面浏览：开放获取类型 |
| 当前检索式 | ((ALL：俞洁)) |
| 限定条件 | 无 |
| gold 15 | Bronze 5 | DOAJ Gold 2 |
| Green Accepted 2 | Green Published, gold 2 | gold, Green Published 2 |
| Green Published 1 | Other Gold 1 | gold, Green Submitted 1 |
| hybrid, Green Published 1 |
