1: [Blog Journalism] -Media for 3 million people, Nora Co. (2005)-
written by : Hiroyuki Fujishiro, and co-author, Masayuki Takada, Tsuruaki Yukawa.

2: [Mayano- ki] -Someday in the Milky Way, La Terre Co. Japan (2003)-
written by : Chikako Yokoi.

3: [Invitation to the voluntary work] -Dormitory for oversea students, p.286-
Iwanami Co. (2001), written by : Mitsuko Komine.
1: [Blog Journalism] -Media for 3 million people 2 : [Mayano- ki] -Someday in the Milky Way 3: [Invitation to the voluntary work] -Dormitory for oversea students