Bojorque, Gina, and Joke Torbeyns. “Preliminary Assessment of the Numerical Competencies of Children from a Public Preschool and Kindergarten in Cuenca”. Maskana 6, no. 1 (December 1, 2015): 39–52. Accessed April 26, 2024. https://publicaciones.ucuenca.edu.ec/ojs/index.php/maskana/article/view/445.