Noronha, A.M. et al. 2021. Madiating instruments of the mathematical conceptual learning for students with intellectual disabilities: an integrative vision. Revista Paranaense de Educação Matemática. 10, 22 (Sep. 2021), 149–173. DOI:https://doi.org/10.33871/22385800.2021.10.22.149-173.