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Subjects
Activity programs, Education, Elementary School Science And Health, Freiluftunterricht, General, Nature study, Professional Development, School field trips, Science, Science, study and teaching, Study And Teaching Of Specific Subjects, Teaching Methods & Materials - Science & Technology, United StatesPlaces
United StatesID Numbers
- OLID: OL1114736A
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August 19, 2008 | Edited by an anonymous user | fix author name |
April 1, 2008 | Created by an anonymous user | initial import |