| 2008 | ||
|---|---|---|
| 2 | Shujuan Wang, Qingtang Liu: ERDRM: A Digital Rights Management System Model for Educational Resources. ICWL 2008: 69-78 | |
| 2007 | ||
| 1 | Shujuan Wang, Qingtang Liu: Trust-based Access Control in Virtual Learning Community. I3E (2) 2007: 514-520 | |
| 1 | Qingtang Liu | [1] [2] |