de Araújo, Adailton, Juliano Lopes de Oliveira, Almir Firmino da Silva, Bruno Nunes Machado, Jailton Alkimin Louzada, and Paulo Marcos Soares. " An Approach to Requirements Engineering Applied to Information Systems." Proceedings of the 12th Brazilian Symposium on Information Systems, Florianópolis, 2016. SBC, 2016, pp.184-191.