| 标题 |
Environmental education program evaluation in the new millennium: what do we measure and what have we learned? |
| 网址 | |
| DOI | |
| 其它 |
期刊:Environmental Education Research 作者:Marc J. Stern; Robert B. Powell; Dawn Hill 出版日期:2013-09-23 |
| 求助人 | |
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(2025-6-4)