Policy options for sustainable river sand mining in Sri Lanka

Xehetasun bibliografikoak
Egile nagusia: Gunaratne, L.H.P
Erakunde egilea: Economy and Environment Program for Southeast Asia
Formatua: Liburua
Hizkuntza:English
Argitaratua: Singapore Economu and Environment Program for Southeast Asia 2010.Asian Development Bank, 2010.
Saila:EEPSEA research report no.2010-RR7
Gaiak: