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Author

Donald R. Hammerman

3 books found

Cover of Teaching in the outdoors

Teaching in the outdoors

Donald R. Hammerman, William M. Hammerman, Elizabeth L. Hammerman · First published 1964 · Latest edition 2000

Placeholder cover for Research in outdoor education

Research in outdoor education

Donald R. Hammerman · First published 1973

Cover of Outdoor education

Outdoor education

Donald R. Hammerman · First published 1968