in CERME 6 - PROCEEDINGS OF THE 6TH CONGRESS OF THE EUROPEAN SOCIETY FOR RESEARCH IN MATHEMATICS EDUCATION
Pages: 1473-1483 (11)
Conference
6Th Congress of the European-Society-For-Research-In-Mathematics-Education (Cerme), Date: JAN 28-FEB 01, 2009, Location: Lyon, FRANCE, Sponsors: European Soc Res Math Educ
