@inproceedings{5fbf6dc9454646e9847d3b1e60354bf1,
title = "An online game as a learning environment for early algebraic problem solving by upper primary school students",
author = "A. Kolovou and \{van den Heuvel-Panhuizen\}, M.H.A.M",
note = "Seventh Congress of the European Society for Research in Mathematics Education",
year = "2011",
month = feb,
day = "9",
language = "English",
pages = "2248--2257",
editor = "M. Pytlak and T. Rowland and E. Swoboda",
booktitle = "Proceedings of the Seventh Congress of the European Society for Research in Mathematics Education",
publisher = "European Society for Research in Mathematics Education",
}