@inproceedings{729b9bd45a7c4a5e9c50bc04e9f37644,
title = "Long-Term Development of students' repertoire of rate of change procedures",
author = "Gerrit Roorda and Maarten Goedhart and Pauline Vos",
year = "2013",
language = "English",
volume = "5",
editor = "A.M. Lindmeier and A. Heinze",
booktitle = "Proceedings of the 37th Conference of the International Group for the Psychology of Mathematics Education",
publisher = "Springer",
note = "Psychology of Mathematics Education ; Conference date: 28-07-2013 Through 02-08-2013",
}