@inproceedings{63de785ece944a6bacdbba0237e3dbeb,
title = "Using cognitive tools to develop problem solving repertoire",
author = "Teong, \{S. K.\} and Hedberg, \{J. G.\} and Ho, \{K. F.\}",
year = "2004",
language = "English",
editor = "Hoines, \{Marit Johnsen\} and Fuglestad, \{Anne Berit\}",
booktitle = "The proceedings of the 28th Conference of the International Group for the Psychology of Mathematics Education",
publisher = "International Group for the Psychology of Mathematics Education",
note = "Psychology of Mathematics Education ; Conference date: 14-07-2004 Through 18-07-2004",
}