Oliveira, Isleimar, Francisco Petrônio A. Medeiros, and Fabio G. Andrade. " Selection of Attributes for School Dropout Classifiers with Data from the Nilo Peçanha Platform." Proceedings of the 1st Workshop on Practical Applications of Learning Analytics in Educational Institutions in Brazil, Manaus, 2022. SBC, 2022, pp.30-39.