@inproceedings{defa671321574ecd9f54352612275812,
title = "Unsolvable mathematical problems in kindergarten: Are they appropriate",
author = "Dina Tirosh and Pessia Tsamir and Esther Levenson and Michal Tabach and Ruthi Barkai",
year = "2015",
language = "אנגלית",
isbn = "9788072908448",
pages = "2010--2016",
editor = "Krainer, {Konrad } and Vondrov{\'a}, { Na{\v d}a }",
booktitle = "Proceedings of the Ninth Congress of the European Society for Research in Mathematics Education",
publisher = "Charles University in Prague and ERME",
note = "CERME9- The Ninth Congress of European Research in Mathematics Education ; Conference date: 04-02-2015 Through 08-02-2015",
}