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

Detalles Bibliográficos
Autor Corporativo:	United Nations Enviroment Programme (UNEP)
Formato:	Libro
Lenguaje:	English
Publicado:	Nairobi, Kenya UNEP 1992
Materias:	Environmental management. Environmental policy. United Nations Enviroment Programme (UNEP)