TY  - BOOK
AU  - Barton, David
TI  - Beyond Communities of Practice:  Language, Power and Social Context( Learning in Doing: Social, Gognitive, and Computational Perspectives)
SN  - 0521544920   
U1  - N83 
PY  - 2005///
CY  - New York
PB  - Cambridge University
N1  - includes index and biblioraphy
ER  -