Ferreira Ragoni V, Santana de Souza Chiari A. Expanding screens in mathematical education with Geogebra: producing concepts of double integrals with Smartphone. RELIME [Internet]. 2024 Nov. 30 [cited 2026 Oct. 9];27(3):335-68. Available from: https://relime.org/index.php/relime/article/view/114