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

Detalhes bibliográficos
Autor Corporativo:	United Nations Enviroment Programme (UNEP)
Formato:	Livro
Idioma:	English
Publicado em:	Nairobi, Kenya UNEP 1992
Assuntos:	Environmental management. Environmental policy. United Nations Enviroment Programme (UNEP)