@inproceedings{de6fbdfe8b264a5a918c99d9548f4b31,
title = "The concept of parameter in a computer algebra environment",
keywords = "Wiskunde en Informatica (WIIN), Mathematics, Landbouwwetenschappen, Natuurwetenschappen, Wiskunde: algemeen",
author = "P.H.M. Drijvers",
note = "PME25",
year = "2001",
month = jul,
day = "12",
language = "Undefined/Unknown",
pages = "385--392",
editor = "{van den Heuvel-Panhuizen}, M.H.A.M.",
booktitle = "Proceedings of the 25th conference of the International Group for the Psychology of Mathematics Education (PME). Utrecht, July 12-17, 2001",
publisher = "Freudenthal Institute",
}