State of the environment the state of the world environment.

State of the environment the state of the world environment.

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Xehetasun bibliografikoak
Erakunde egilea: United Nations Environmental Program
Formatua: Liburua
Hizkuntza:English
Argitaratua: Nairobi, Kenya UNEP c1986.
Saila:UNEP/GC 14/5-
Gaiak:
Environmental protection > Congresses.
Environmental policy > Congresses.
Health > Environmental aspects.