Policy options for sustainable river sand mining in Sri Lanka
Egile nagusia: | |
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Erakunde egilea: | |
Formatua: | Liburua |
Hizkuntza: | English |
Argitaratua: |
Singapore
Economu and Environment Program for Southeast Asia
2010.Asian Development Bank, 2010.
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Saila: | EEPSEA research report
no.2010-RR7 |
Gaiak: |