Trends in environmental education.
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| 企业作者: | |
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
Paris :
Unesco,
1977.
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| 主题: |
| Item Description: | Revisions of papers originally presented at an international workshop held in Belgrade, October 13-22, 1975. |
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| 实物描述: | 244 p. ; 27 cm. |
| 参考书目: | Includes bibliographies. |
| ISBN: | 9231014013 |