@misc
{TN_libero_mab2,
author = {
Mariotti, Maria Alessandra
},
title = {
Proof and proving in the classroom: Dynamic Geometry Systems as tools of semiotic mediation
},
publisher = {Informa UK Limited},
isbn = {1754-0178},
isbn = {1479-4802},
keywords = {
General Mathematics
,
Education
},
year = {2012},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}