Avella Tuta, Diana Paola, Fabio Ahirton Salazar Pérez, and José Edilberto Miguez García. 2019. “Resolution of Mathematical Problems With Fractions Focused on the School Context”. Educación Y Ciencia, no. 20 (February):147-67. https://doi.org/10.19053/0120-7105.eyc.2017.20.e8913.