TY  - BOOK
AU  - O'Donnell, Angela M. ed.
AU  - Hmelo-Silver, Cindy E. ed. 
AU  - Erkens, Gijsbert ed.
TI  - Collaborative learning, reasoning, and technology 
SN  - 978-0-415-64893-6
U1  - 371.334 23rd.
PY  - 2012///
CY  - New York 
PB  - Routledge 
KW  - Computer-assisted instruction
UR  - www.routledge.com
ER  -