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Copyright (c) 2018 Toni Halan da Silva Irineu, Lucimara Ferreira de Figueredo, Janailson Pereira de Figueredo, Josimar Nogueora da Silva, Jacinto Rômulo Guedes de Paiva, Raimundo Andrade

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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.