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JUCS - Journal of Universal Computer Science 25(12): 1554-1588
doi: 10.3217/jucs-025-12-1554
Received: 25 Apr 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
Olga Fragou - Corresponding author
Hellenic Open University, Patras, Greece
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Christos Goumopoulos
University of the Aegean, Samos, Greece
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Christos Tsompanos
University of the Aegean, Samos, Greece
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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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