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| 2004 | ||
|---|---|---|
| 1 | Tetsuo Hidaka, Tetsushi Morita, Tomohiko Nakamura, Morihide Oinuma, Yutaka Hirakawa: Improvement of Visual Customer Relationship Management System. IRI 2004: 332-337 | |
| 1 | Tetsuo Hidaka | [1] |
| 2 | Yutaka Hirakawa | [1] |
| 3 | Tetsushi Morita | [1] |
| 4 | Tomohiko Nakamura | [1] |