Comments:GeoGebra CIBEM Uruguay 2013
From GeoGebra Manual
http://www.cibem7.semur.edu.uy/home.php, contact: Agustín Carrillo de Albornoz Torres: agustincarrillo@telefonica.net (Secretary General FISEM, The American Federation of Societies of Mathematics Education)
Montevideo, Uruguay, 16-20 Sept 2013