Directory of environmental literature and teaching aids.

Directory of environmental literature and teaching aids.

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Awdur Corfforaethol: Council for Environmental Education (Reading, Berkshire)
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Reading : Council for Environmental Education, c1979.
Pynciau:
Nature > Effect of human beings on > Audio-visual aids > Catalogs.
Nature > Effect of human beings on > Study and teaching > Bibliography.
Environmental literature.

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