Global S&T Development Trend Analysis Platform of Resources and Environment
分面浏览：作者 |
| 当前检索式 | ((ALL：Region I - Africa)) |
| 限定条件 | ((作者：United Nations Environment Programme) AND (文献类型：科技报告) AND (专题：地球科学)) |
| United Nations Envir 5 | African Ministerial 1 | International Organi 1 |
| Permanent Interstate 1 | United Nations Offic 1 | United Nations Unive 1 |
