Pinheiro, Álvaro, João da Silva Amaral, Geraldo Galindo Neto, José Martins Sampaio, e Wedson Soares. 2020. “Prediction of Active Debt in the State of Pernambuco, Brazi”l. Revista De Engenharia E Pesquisa Aplicada 5 (1), 88-95. https://doi.org/10.25286/repa.v5i1.1299.