K. B. · Keiko Beppu · Kōichi Baba
マセマ (masema) · マセマ出版社 (masemashuppansha)
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Subarashiku jitsuryoku ga tsuku to hyoban no bibun sekibun kyanpasu zemi: Daigaku no sugaku ga konna ni wakaru tan'i nante raku ni toreru. | 978-4-907165-08-6 (4-907165-08-0) | 2013 | |
| Subarashiku yoku tokeru to hyoban no gokaku sugaku ichi e purasu hyakuju mondaishu | 978-4-944178-14-8 (4-944178-14-X) | 2002 | Yutaka Takasugi |