Policy options for sustainable river sand mining in Sri Lanka

書目詳細資料
主要作者:	Gunaratne, L.H.P
企業作者:	Economy and Environment Program for Southeast Asia
格式:	圖書
語言:	English
出版:	Singapore Economu and Environment Program for Southeast Asia 2010.Asian Development Bank, 2010.
叢編:	EEPSEA research report no.2010-RR7
主題:	Sand and gravel mines and mining > Environmental aspects > Sri Lanka. Rivers > Environmental aspects > Sri Lanka.