Children's mathematics
Carruthers Elizabeth, Worthing MaulfryKniha
Citace v seznamu literatury:
CARRUTHERS, Elizabeth a WORTHING, Maulfry. Children's mathematics: making marks, making meaning. 2nd ed. London: SAGE, 2006. ISBN 9781847878816. Dostupné také z: https://proxy.k.utb.cz/login?url=https://sk.sagepub.com/books/childrens-mathematics-2e.