Ferreira, Mariane Grando, Alexandre Shigunov Neto, and Dulce Maria Strieder. “The Assertion of Playfulness in the Science Textbooks for the Early Years of Elementary School”. Revista Hipótese 7 (January 1, 2022): e021020. Accessed July 8, 2026. https://revistahipotese.editoraiberoamericana.com/revista/article/view/53.