Environmental education in the light of the Tbilisi conference.

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Detalles Bibliográficos
Formato:	Libro
Idioma:	inglés
Publicado:	Paris : UNESCO, c1980.
Subjects:	Ecology > Study and teaching > Addresses, essays, lectures. Nature > Study and teaching > Addresses, essays, lectures.
Tags:	Engadir etiqueta Sen Etiquetas, Sexa o primeiro en etiquetar este rexistro!

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