1. NKUL 2009 http://kortlink.no/Jha Øistein Gjøvik [email_address] twitter.com/oisteing

2. GeoGebra hjemmeside: http://www.geogebra.org Norsk GeoGebra institutt: http://www.geogebra.no GeoGebra wiki: http://www.geogebra.org/en/wiki/index.php/Norwegian GeoGebra Upload Manager: http://www.geogebra.org/en/upload/ Webstart: http://www.geogebra.org/cms/index.php?option=com_content&task=blogcategory&id=70&Itemid=57