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The Cultural Development of Mathematical Ideas
Awards & Reviews
Display of the Oksapmin body part counting system
A traditional man displaying body part positions in the Oksapmin 27-body part counting system
Percussion (Bak Valley), 1978.
K20, elder representing (2001)
Six stones, Elder counting (2001)
Hunting with bow and arrow
trade store owner solving 16-7=?
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