Designing a Joyful Mathematical Learning of Fractions using Phet Simulation for Primary School. Journal of Current Studies in SDGs, [S. l.], v. 3, n. 2, p. 186, 2026. DOI: 10.63230/jocsis.3.2.186. Disponível em: https://journal.i-ros.org/index.php/JOCSIS/article/view/186. Acesso em: 3 aug. 2026.