Global S&T Development Trend Analysis Platform of Resources and Environment
分面浏览：作者 |
| 当前检索式 | ((ALL：Key Technologies)) |
| 限定条件 | ((出处：ECOLOGICAL ECONOMICS) AND (作者：Black, Helaina) AND (语种：英语)) |
| Balana, Bedru B. 1 | Black, Helaina 1 | Dinato, Mengistu 1 |
| Moges, Awdenegest 1 | Tarfasa, Solomon 1 | Tefera, Tewodros 1 |
| Woldeamanuel, Teshal 1 |
