SOUSA, Raimundo Jucier A.; 						GOMES, Pedro Ivo Jorge.
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<strong>Mercator</strong>, Fortaleza, v. 10, n. 21, p. 207 a 208, may 2011.
ISSN 1984-2201.
Available at: &lt;<a href="http://www.mercator.ufc.br/mercator/article/view/596" target="_new">http://www.mercator.ufc.br/mercator/article/view/596</a>&gt;. Date accessed: 26 apr. 2024.