TY  - BOOK
AU  - HMELO-SILVER, Cindy E. ed...[et.al.].
TI  - International Handbook of Collaborative Learning
SN  - 9780415805735
U1  - 371.395 
PY  - 2013///
CY  - New York
PB  - Routledge
KW  - Group work in education
ER  -