Fukagawa Hidetoshi · H Fukagawa
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Nihon No Sugaku Nandai Tokemasuka 1 | 978-4-627-01580-7 (4-627-01580-1) | 1994 | Dan Sokolowsky |
| Sankakkei en daen nado no kika mondai. | 978-4-627-01590-6 (4-627-01590-9) | 1994 | Dan Sokolowsky |