scholarly journals A Study on Design and Implementation of the Ubiquitous Computing Environment-based Dynamic Smart On/Off-line Learner Tracking System

2010 ◽  
Vol 6 (4) ◽  
pp. 609-620 ◽  
Author(s):  
Hyung-Min Lim ◽  
Kun-Won Jang ◽  
Byung-Gi Kim
2007 ◽  
Vol 42 (4) ◽  
pp. 14-22 ◽  
Author(s):  
Minkyoung Oh ◽  
Jiyeon Lee ◽  
Byeong-Mo Chang ◽  
Joonseon Ahn ◽  
Kyung-Goo Doh

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