TY  - BOOK
AU  - Ertl Bernhard
TI  - Technologies and practices for constructing knowledge in online environments: advancements in learning
SN  - 978-161520937-8
U1  - 303.483 
PY  - 2010///
CY  - Hershey
PB  - Information Science Reference
KW  - Education-computer network resources
KW  - Technological innovations-social aspects
ER  -