Towards Reducing Cognitive Load and Enhancing Usability through a Reduced Graphical User Interface for a Dynamic Geometry System: An Experimental Study. - Helena Macedo Reis; Simone S. Borges; Vinicius H. S. Durelli; Luis Fernando de S. Moro; Anarosa A. F. Brandão; Ellen Francine Barbosa; Leônidas de Oliveira Brandão; Seiji Isotani; Patrícia Augustin Jaques; Ig Ibert Bittencourt (ISM, 2012)