Rehfeldt, Márcia Jussara Hepp, Marli Teresinha Quartieri, and Ieda Maria Giongo. “Mathematical Modelling: Reporting an Experince With Teachers from Initial Grades of Elementary School”. Educação Por Escrito 8, no. 2 (December 31, 2017): 294–303. Accessed May 2, 2026. https://revistaseletronicas.pucrs.br/porescrito/article/view/26859.