C. M. Borja Cortez, N. S. Cabezas Pozo, K. L. Fernández Rodríguez, y G. Abad Peña, «: UDL as a pedagogical approach to address difficulties in learning mathematics in the second year of basic elementary education»., Rev. Cient. Multi. G-nerando, vol. 6, n.º 1, pp. Pág. 3688 –, jun. 2025.