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JUCS - Journal of Universal Computer Science 20(6): 859-884
doi: 10.3217/jucs-020-06-0859
Received: 01 Jul 2013 | Approved: 14 Feb 2014 | Published: 01 Jun 2014
This article is part of:
JUCS - Journal of Universal Computer Science 20(6): Enterprise Information Systems
Authors
Goran D. Putnik - Corresponding author
Polytechnic Institute of Cávado and Ave, Braga, Portugal
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Maria Manuela Cruz-Cunha
Polytechnic Institute of Cávado and Ave, Barcelos, Portugal
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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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