TY  - BOOK
AU  - 
TI  - Building learning communities in cyberspace: effective strategies for the online classroom
SN  - 0-7879-4460-2
U1  - 378.175 P169b 
PY  - 0000///
CY  - USA
PB  - Jossey-Bass Publishers
KW  - 1.Educación a distancia
KW  - -Estados Unidos
ER  -