Improving the minahang bayan declaration process a first step towards achieving sustainability in Philippine small-scale gold mining industry
| Publicat a: | Philippine Engineering Journal Vol. 37, no. 1 (2016), 45-62 |
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| Autor principal: | |
| Altres autors: | , |
| Format: | Article |
| Idioma: | English |
| Publicat: |
2016
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| Matèries: |