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JUCS - Journal of Universal Computer Science 21(4): 561-586
doi: 10.3217/jucs-021-04-0561
Received: 17 Mar 2014 | Approved: 26 Mar 2015 | Published: 01 Apr 2015
This article is part of:
JUCS - Journal of Universal Computer Science 21(4)
Authors
Norton Trevisan Roman - Corresponding author
University of São Paulo, São Paulo, Brazil
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Paul Piwek
The Open University, Milton Keynes, United Kingdom
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Ariadne Maria Brito Rizzoni Carvalho
University of Campinas, Campinas, Brazil
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Alexandre Rossi Alvares
University of São Paulo, São Paulo, Brazil
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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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