TY  - BOOK
AU  - Ozkan Czerkawski,Betul
TI  - Free and open source software for e-learning: issues, successes, and challenges 
SN  - 9781615209170
PY  - 2011///
CY  - Hershey PA
PB  - Information Science Reference
KW  - Computer-assisted instruction
KW  - Software
KW  - Open source software
KW  - Instructional systems
KW  - Design
N1  - "premier reference source"; Includes bibliographical references and index
ER  -