@article{d6f76a846164442e85251bd38d9b2c75,
title = "The co-emergence of machine techniques, paper-and-pencil techniques, and theoretical reflection: A study of CAS use in secondary school algebra",
keywords = "Mathematics, Landbouwwetenschappen, Natuurwetenschappen, Wiskunde: algemeen",
author = "C. Kieran and P.H.M. Drijvers",
year = "2006",
language = "Undefined/Unknown",
volume = "11",
pages = "205--263",
journal = "International Journal of Computers for Mathematical Learning",
issn = "1382-3892",
publisher = "Springer Netherlands",
number = "2",
}