Global S&T Development Trend Analysis Platform of Resources and Environment
分面浏览：作者 |
| 当前检索式 | ((ALL：Sub-Saharan Africa)) |
| 限定条件 | ((收录类别：SCI-E) AND (作者：Hafner, J.)) |
| Hafner, J. 3 | Hoffmann, H. 3 | Sieber, S. 3 |
| Graef, F. 2 | Sererya, O. 2 | Uckert, G. 2 |
| Kaechele, H. 1 | Kimaro, A. A. 1 | Kimaro, A. 1 |
| Rybak, C. 1 | Scheid, A. 1 |
