共 14 条
[11]
SCHNEIDERMAN B, 1982, BEHAV INFORMATION TE, V7, P237
[12]
Stefik M., 1995, INTRO KNOWLEDGE SYST
[13]
VANLABEKE N, 1998, 4 INT C INT TUT SYST
[14]
VANLABEKE N, 1998, P ED MEDIA 98 WORLD