Improving the minahang bayan declaration process a first step towards achieving sustainability in Philippine small-scale gold mining industry
| 发表在: | Philippine Engineering Journal Vol. 37, no. 1 (2016), 45-62 |
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| 主要作者: | |
| 其他作者: | , |
| 格式: | 文件 |
| 语言: | 英语 |
| 出版: |
2016
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| 主题: |