Research on DRM-Enabled Learning Objects Model. - Qingtang Liu; Zongkai Yang; Kun Yan; Jing Jin; Wanting Deng (ITCC (2), 2005)

Integration of Digital Rights Management into Learning Content Management System. - Zongkai Yang; Qingtang Liu; Kun Yan; Wanting Deng; Jing Jin (ITCC (1), 2005)