TY  - BOOK
AU  - Tu, Chih-hsiung
TI  - Online collaborative learning communities: twenty-one designs to building an online collaborative learning community 
SN  - 1591581559 (pbk. :alk. paper)
AV  - LB 1028.5 .T155 2004 
PY  - 2004///
CY  - West Port, CT
PB  - Libraries Unlimited
KW  - Computer-assisted instruction
KW  - Instructional systems
KW  - Design
KW  - Group work in education
KW  - Computer conferencing in education
N1  - Includes index
ER  -