in PME 33: PROCEEDINGS OF THE 33RD CONFERENCE OF THE INTERNATIONAL GROUP FOR THE PSYCHOLOGY OF MATHEMATICS EDUCATION, VOL 2 in PME Conference Proceedings, ISSN: 0771-100X
Volume: 2, Pages: 409-416 (8)
Conference
33Rd Conference of the International-Group-For-The-Psychology-Of-Mathematics-Education, Date: JUL 19-24, 2009, Location: Thessaloniki, GREECE, Sponsors: Univ Macedonia, Democritus Univ Thrace, Univ Ioannina, AUTH Res Comm, AUTH, In Serv Training Presch Teachers, Greek Assoc Researchers Math Educ, Prefecture Thessaloniki, Springer Publishing co, Sense Publishers, Host: Aristotle Univ
