Title	Learner Custom-made Studying Modeling based on ICT
Author	SeungSoon Park, YoungIn Kim
Citation	Vol. 8  No. 1  pp. 69-74
Keywords	Learning Design, MOT, Competency, e-learning.

Title	Applying Petri Nets to Model Customized Learning and Cooperative Learning with Competency
Author	SeungSoon Park, YoungIn Kim
Citation	Vol. 8  No. 2  pp. 127-132
Keywords	Cooperative Learning, Competency, e-learning, Petri Net, Customized Learning