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JUCS - Journal of Universal Computer Science 25(12): 1625-1543
doi: 10.3217/jucs-025-12-1625
Received: 17 May 2019 | Approved: 31 Oct 2019 | Published: 01 Dec 2019
This article is part of:
JUCS - Journal of Universal Computer Science 25(12): Advances in Web-Based Learning
Authors
Carlos Vaz De Carvalho - Corresponding author
Instituto Superior de Engenharia do Porto, Porto, Portugal
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Pedro Cano
Universidad de Granada, Granada, Spain
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José Maria Roa
Universidad de Granada, Granada, Spain
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Anna Wanka
University of Vienna, Vienna, Austria
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Franz Kolland
University of Vienna, Vienna, Austria
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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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