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1877-0428 © 2010 Published by Elsevier Ltd.
doi:10.1016/j.sbspro.2010.08.100
Procedia Social and Behavioral Sciences 6 (2010) 200–201
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vailable online at www.sciencedirect.com
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* Corresponding author.
E-mail address: anna.gavarro@uab.cat .
Anna Gavarró and Josep Romeu / Procedia Social and Behavioral Sciences 6 (2010) 200–201 201
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