Policy options for sustainable river sand mining in Sri Lanka

书目详细资料
主要作者:	Gunaratne, L.H.P
企业作者:	Economy and Environment Program for Southeast Asia
格式:	图书
语言:	English
出版:	Singapore Economu and Environment Program for Southeast Asia 2010.Asian Development Bank, 2010.
丛编:	EEPSEA research report no.2010-RR7
主题:	Sand and gravel mines and mining > Environmental aspects > Sri Lanka. Rivers > Environmental aspects > Sri Lanka.