Global S&T Development Trend Analysis Platform of Resources and Environment
分面浏览：作者 |
| 当前检索式 | ((ALL：declining costs)) |
| 限定条件 | ((收录类别：SCI-E) AND (作者：Beja, Pedro)) |
| Beja, Pedro 1 | Moreira, Francisco 1 | Nunes, Luis Catela 1 |
| Reino, Luis 1 | Ribeiro, Paulo Flore 1 | Santana, Joana 1 |
| Santos, Jose Lima 1 |
