Changes

The paper calls "Testing the OLPC Drawing Activity: an usability report" by Alexandre Antonino Gonçalves Martinazzo, Nathalia Sautchuk Patrício, Leandro Coletto Biazon, Irene Karaguilla Ficheman and Roseli de Deus Lopes. It is available in the link: http://www2.computer.org/portal/web/csdl/doi/10.1109/ICALT.2008.200.

The paper calls "Testing the OLPC Drawing Activity: an usability report" by Alexandre Antonino Gonçalves Martinazzo, Nathalia Sautchuk Patrício, Leandro Coletto Biazon, Irene Karaguilla Ficheman and Roseli de Deus Lopes. It is available in the link: http://www2.computer.org/portal/web/csdl/doi/10.1109/ICALT.2008.200.