Rubio Ponce, Rocío, et al. “Psychomotor Intervention on Social Personal Area of a Group of Children of Pre-School Education”. Revista Complutense de Educación, vol. 22, no. 2, Mar. 2012, pp. 195-09, https://doi.org/10.5209/rev_RCED.2011.v22.n2.38490.