TY  - BOOK
AU  - Hoppe, H Ulrich (ed); Ogata, H (ed) & Soller, A (ed)
TI  - The Role of technology in CSCL
SN  - 978-0-387-71135-5
U1  - 371 Hop 
PY  - 2007///
CY  - Springer, New York
ER  -