Langwinski LG, Bassoi TS. A prática do professor no ensino de álgebra e os Registros de Representação Semiótica<br>Teacher practice in teaching algebra and the Semiotic Representation Records. EMP [Internet]. 20 de diciembre de 2019 [citado 17 de julio de 2024];21(3). Disponible en: https://revistas.pucsp.br/index.php/emp/article/view/44573