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donald r hammerman
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Teaching in the outdoors
Donald R. Hammerman · Interstate Publishers
165 sayfa · 1964
Outdoor education / Freiluftunterricht / Classes de nature
Outdoor education
Donald R. Hammerman · Burgess Pub. Co.
407 sayfa · 1968
Addresses, essays, lectures / Outdoor education / Freiluftunterricht
Teaching in the outdoors
Donald R. Hammerman, William M. Hammerman, Elizabeth L. Hammerman · Interstate Publishers
265 sayfa · 2000
Outdoor education
Research in outdoor education
Donald R. Hammerman · American Association for Health, Physical Education, and Recreation
Sayfa sayısı yok · 1973
Abstracts / Academic Dissertations / Human ecology / Outdoor education / Research