Improving the minahang bayan declaration process a first step towards achieving sustainability in Philippine small-scale gold mining industry
| Argitaratua izan da: | Philippine Engineering Journal Vol. 37, no. 1 (2016), 45-62 |
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| Egile nagusia: | |
| Beste egile batzuk: | , |
| Formatua: | Artikulua |
| Hizkuntza: | English |
| Argitaratua: |
2016
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| Gaiak: |