Policy options for sustainable river sand mining in Sri Lanka
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Korporativní autor: | |
Médium: | Kniha |
Jazyk: | English |
Vydáno: |
Singapore
Economu and Environment Program for Southeast Asia
2010.Asian Development Bank, 2010.
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Edice: | EEPSEA research report
no.2010-RR7 |
Témata: |