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中文
Pen-based concept mapping collaborative drawing tool
LU Hong-liang
1,2
,HUA Qing-yi
1,2
,CAI Ping
1,2
,LIU Qing-fang
1,2
Computer Engineering and Applications . 2009, (
8
): 64 -67 . DOI: 10.3778/j.issn.1002-8331.2009.08.020
