Kato, L. A., Gerônimo, J. R., Cardoso, V. C., Zanella, M. S., Niro, K. L., & Souza, J. T. G. de. (2015). <b&gt;Performance of first-year undergraduate students attending exact sciences courses in problems of the additive conceptual field. Acta Scientiarum. Education, 37(4), 383-390. https://doi.org/10.4025/actascieduc.v37i4.19955