in PROCEEDINGS OF THE SEVENTH CONGRESS OF THE EUROPEAN SOCIETY FOR RESEARCH IN MATHEMATICS EDUCATION (CERME 7)
Pages: 2817-2826 (10)
Conference
7Th Congress of the European-Society-For-Research-In-Mathematics-Education (Erme), Date: FEB 09-13, 2011, Location: Rzeszow, POLAND, Sponsors: European Soc Res Math Educ
