| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Integrated Korean: Advanced 1 | 978-0-8248-2751-9 (0-8248-2751-1) | 2004 | Eun-Joo Lee · Jaehoon Yeon |
| Integrated Korean: Advanced 2 | 978-0-8248-2777-9 (0-8248-2777-5) | 2004 | Eun-Joo Lee · Jaehoon Yeon |