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JUCS - Journal of Universal Computer Science 4(7): 630-651
doi: 10.3217/jucs-004-07-0630
Published: 28 Jul 1998
This article is part of:
JUCS - Journal of Universal Computer Science 4(7)
Authors
Alberto Faro - Corresponding author
Universita' di Catania, Italy
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Daniela Giordano
Department of Education Graduate Program in Educational Technology Concordia University, Montreal, Quebec, Canada
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Corrado Santorno
Universita' di Catania, Italy
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Conflict of interest
The authors have declared that no competing interests exist.
This article is freely available under the J.UCS Open Content License.
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