| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Kangaeru Gijutsu To Shiteno Tōkeigaku: Seikatsu Bijinesu Tōshi Ni Ikasu | 978-4-14-091101-3 (4-14-091101-8) | 2007 |
| Sekaichi wakariyasui keizai no kyoshitsu: Terebi demo daininki no ekonomisuto ni yoru keizai nyumon no kyokasho. | 978-4-8061-4720-6 (4-8061-4720-6) | 2013 |
Yoshiaki Iida · Yoshiaki Ito · Yoshihiko Ito · Yoshiyasu Ida · Yosiaki Itô · Yukiko Iwata