| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Learning Korean with a Smile: Reading & Writing Hangeul | 978-1-4839-2259-1 (1-4839-2259-6) | 2013 | Adrian Perrig · Ah-yeong Yu · Heejo Lee |
Yan Yan · Yan Yin · Yanhai Yin · Yann Yann · yin yiwen · Yuan yuan