in PME 30: PROCEEDINGS OF THE 30TH CONFERENCE OF THE INTERNATIONAL GROUP FOR THE PSYCHOLOGY OF MATHEMATICS EDUCATION, VOL 1, in PME Conference Proceedings, ISSN: 0771-100X
Pages: 231-231 (1)
Conference
30Th Conference of the International-Group-For-The-Psychology-Of-Mathematics-Education, Date: JUL 16-21, 2006, Location: Prague, CZECH REPUBLIC, Sponsors: Int Grp Psychol Math Educ, Host: Charles Univ