Elia, Iliada, et al. “A KINDERGARTNER’S USE OF GESTURES WHEN SOLVING A GEOMETRICAL PROBLEM IN DIFFERENT SPACES OF CONSTRUCTED REPRESENTATION”. Revista Latinoamericana de Investigación en Matemática Educativa, vol. 17, no. 4(I), Dec. 2014, pp. 199-20, https://doi.org/10.12802/relime.13.17410.