Interdisciplinary forms and methods of environmental education in the general education polytechnical schools and the higher educational institutes.
| Autor Corporativo: | |
|---|---|
| Formato: | Libro |
| Lengua: | inglés |
| Datos de publicación: |
Bulgaria :
United Nations Environment Programme,
1983.
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| Temas: | |
| Descripción Física: | 190 P. |