Carsten Ullrich, Paul Libbrecht. Educational Services in the ACTIVEMATH Learning Environment. In Saverio Salerno, Matteo Gaeta, Pierluigi Ritrovato, Nicola Capuano, Francesco Orciuoli, Sergio Miranda, Anna Pierri, editors, The Learning Grid Handbook - Concepts, Technologies and Applications. Volume 2 of The Future of Learning, pages 219-244, IOS Press, 2008.
@incollection{UllrichL08,
title = {Educational Services in the ACTIVEMATH Learning Environment},
author = {Carsten Ullrich and Paul Libbrecht},
year = {2008},
researchr = {https://researchr.org/publication/UllrichL08},
cites = {0},
citedby = {0},
pages = {219-244},
booktitle = {The Learning Grid Handbook - Concepts, Technologies and Applications},
editor = {Saverio Salerno and Matteo Gaeta and Pierluigi Ritrovato and Nicola Capuano and Francesco Orciuoli and Sergio Miranda and Anna Pierri},
volume = {2},
series = {The Future of Learning},
publisher = {IOS Press},
isbn = {978-1-58603-829-8},
}