Vargas Cabrera, Celestino. “Methodologicalconsiderationsforthetreatment of Thenumericcalculation of Fractions in 6th Grade”. EduSol (October 20, 2022): 83–95. Accessed November 11, 2026. https://edusol.cug.co.cu:443/index.php/EduSol/article/view/215.