Analysis of Elementary School students’ algebraic perceptions and procedures. Práxis Educativa, [S. l.], v. 7, n. 2, p. 397–420, 2012. DOI: 10.5212/PraxEduc.v.7i2.0005. Disponível em: https://revistas.uepg.br/index.php/praxiseducativa/article/view/3379. Acesso em: 30 jun. 2026.