The changing legal environment and its impact on the development of the Philippine mineral industry
| Egile nagusia: | |
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| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Quezon City
Department of Geology and Geography, University of the Philippines
1980.
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| Gaiak: |