Bortolossi, H. J., and W. M. Rezende. “A Set of Geogebra Applets for Teaching Fractions in Elementary School”. Revista Do Instituto GeoGebra Internacional De São Paulo, vol. 12, no. 1, June 2023, pp. 078-89, doi:10.23925/2237-9657.2023.v12i1p078-089.