Has environmental protectivity growth? we need unbiased measures

Manylion Llyfryddiaeth
Awdur Corfforaethol:	World Resources Institute
Awduron Eraill:	Repetto, Robert C.
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	World Resources Institute 1996.
Pynciau:	Industrial productivity. Economic development. Environmental protection.