PUTRA, Z.; WINSLØW, C. A framework for a comparative study of pre-service elementary teachers’ knowledge of rational numbers. Educação Matemática Pesquisa, São Paulo, v. 21, n. 4, 2019. DOI: 10.23925/1983-3156.2019v21i4p063-073. Disponível em: https://revistas.pucsp.br/index.php/emp/article/view/42541. Acesso em: 16 aug. 2024.