Semina S. Semina: Ciências Exatas e Tecnológicas, V. 36, n. 1, 2015. Semin., Exact Tech. Scienc. [Internet]. 2015 May 20 [cited 2024 May 6];36(1). Available from: https://ojs.uel.br/revistas/uel/index.php/semexatas/article/view/20870