H.T. ยท H. Takahashi
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Raundo byoto kanri no chakuganten: Shicho no gyomu o kashika: Ichinichi shu tsuki hantoshi ichinen no kanri pointo. | 978-4-776O-1587-1 (4-776O-1587-O) | 2012 | Oosaka Kosei Nenkin Byoin. |