The state of the environment (1972-1992): saving our planet challenges and hopes.

The state of the environment (1972-1992): saving our planet challenges and hopes.

Manylion Llyfryddiaeth
Awdur Corfforaethol: United Nations Enviroment Programme (UNEP)
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Nairobi, Kenya UNEP 1992
Pynciau:
Environmental management.
Environmental policy.
United Nations Enviroment Programme (UNEP)