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JUCS - Journal of Universal Computer Science 18(19): 2686-2705
doi:
10.3217/jucs-018-19-2686
Received:
30 Mar 2012 | Approved:
06 Sep 2012 | Published:
01 Nov 2012
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Authors
Gislaine Camila Lapasini Leal
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State University of Maringa, Maringa, Brazil
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Federal Technological University of Parana, Campo Mourao, Brazil
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State University of Maringa, Maringa, Brazil
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University of Sao Paulo, Sao Carlos, 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.