Asencio García , I. A., Chipana Chipana, H., Alvarez Porroa , C. D. P. and Lapoint Montes , V. A. (2021) “Oral Language and Precalculus in 5-year-old children from Cercado de Lima”, Revista Iberoamericana de educación. doi: 10.31876/ie.vi.84.