YOUNG LOVERIDGE, J. Modelling operations: Counting-based and collection-based approaches to computation. Teachers and Curriculum, [S. l.], v. 7, n. 1, 2017. DOI: 10.15663/tandc.v7i1.186. Disponível em: https://tandc.ac.nz/index.php/tandc/article/view/186. Acesso em: 1 may. 2024.