1.
Santana H. Semina: Ciências Exatas e Tecnológicas, v. 26, n.2, 2005. Semin., Exact Tech. Scienc. [Internet]. 2005 Dec. 15 [cited 2024 May 8];26(2). Available from: https://ojs.uel.br/revistas/uel/index.php/semexatas/article/view/1966