Global Memory Net Offers New Innovative Access to Tsurumi's Old Japanese Waka Poems and Tales, and Maps . - Takashi Nagatsuka; Ching-chih Chen (ICADL, 2005)

The Relation between Comments Inserted onto Digital Textbooks by Students and Grades Earned in the Course. - Akihiro Motoki; Tomoko Harada; Takashi Nagatsuka (ICADL, 2010)

Effect of the Number of Comments Inserted by Students during Each Lecture on Their Grades in the Course. - Akihiro Motoki; Tomoko Harada; Takashi Nagatsuka (ICADL, 2011)

A Note-Taking Data Sharing System for Improving Student's Performance. - Akihiro Motoki; Takashi Nagatsuka (ICADL, 2012)