Noronha, A. M., da Silva, S. de C. R., & Shimazaki, E. M. (2021). Madiating instruments of the mathematical conceptual learning for students with intellectual disabilities: an integrative vision. Revista Paranaense de Educação Matemática, 10(22), 149-173. https://doi.org/10.33871/22385800.2021.10.22.149-173