Roy Yamaguchi · Ryohei Yamaguchi
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| It does go through algae valley ho, we do will not be happy if there is no economic growth? | 978-4-7615-1309-2 (4-7615-1309-8) | 2012 | Kosuke Motani |
| Tsukuru koto tsukuranai koto: Machi o omoshirokusuru 11nin no kaiwa. | 978-4-7615-1295-8 (4-7615-1295-4) | 2012 | Hiroki Hasegawa |