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Quipu-Yupay: A Dynamic Reasoning Application for Learning Natural Numbers
2018Marleny Peralta Ascue
exaly
Civilization Without Writing—The Incas and the Quipu
2018Marcia Ascher, Robert Ascher
openaire +1 more source
The Information System of Middle Horizon Quipus
Annals of the New York Academy of Sciences, 1982openaire +1 more source