RAHAYU, Fuji; RISNAWATI; HAMDANI, M. Fikri. Innovation in Mathematics Learning: Utilizing Geoboards to Strengthen Understanding of Flat Shapes in Fourth Grade Elementary School. Journal of Practice Learning and Educational Development , [S. l.], v. 6, n. 2, p. 1548–1555, 2026. DOI: 10.58737/jpled.v6i2.1093. Disponível em: https://www.digitalpress.gaes-edu.com/index.php/jpled/article/view/1093. Acesso em: 9 oct. 2026.