Gatica Mandiola, P. “Assessing Motor Development of 6-10 Year-Old School Children in the Maule Region of Chile”. Revista Ciencias De La Actividad Física UCM, Vol. 7, no. 7, Dec. 2004, pp. 67-79, http://200.9.234.116/index.php/revistacaf/article/view/1067.