Andrioli, Luciana Regina, and Adriana Silva Oliveira. 2020. “Mathematics Teaching for the Kaingang in Indigenous Kindergarten Education of Paraná”. Obutchénie. Revista De Didática E Psicologia Pedagógica 4 (3): 618-42. https://doi.org/10.14393/OBv4n3.a2020-58427.