Ju-Yeon Ryu, Kaoru Horie, and Yasuhiro Shirai. PACLIC, page 677-684. Institute for Digital Enhancement of Cognitive Development, Waseda University, (2010)
Ju-Yeon Ryu, Kaoru Horie, and Yasuhiro Shirai. PACLIC, page 677-684. Institute for Digital Enhancement of Cognitive Development, Waseda University, (2010)