SILVA, Luiz Raphael Teixeira da; 						BRITO, Alcides Furtado; 						LOPES, Boaz Antonio.
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<strong>Mercator</strong>, Fortaleza, v. 9, n. 18, p. 201 a 203, may 2010.
ISSN 1984-2201.
Available at: &lt;<a href="http://www.mercator.ufc.br/mercator/article/view/341" target="_new">http://www.mercator.ufc.br/mercator/article/view/341</a>&gt;. Date accessed: 26 apr. 2025.