@inbook{8a242b2427704973aeb2d00eb2fc4852,

title = "Algebra on Screen, on Paper and in the Mind",

keywords = "Mathematics, Landbouwwetenschappen, Natuurwetenschappen, Wiskunde: algemeen",

author = "P.H.M. Drijvers",

note = "Annual Meeting NCTM; Annual Meeting NCTM ; Conference date: 01-01-2003",

year = "2003",

language = "Undefined/Unknown",

publisher = "NCTM",

pages = "241--268",

editor = "{J.T. Fey} and {A. Cuoco} and {C. Kieran} and {L. McMullin} and {R.M. Zbiek}",

booktitle = "Computer algebra systems in secondary school mathematics education",

}