Total 11 References
| # | Subject | Date | Author |
|---|---|---|---|
| 1 | Korean Basic lesson 3 | December 16, 2021 | 아이서당 |
| 2 | Korean Basic lesson 2 | December 16, 2021 | 아이서당 |
| 3 | Korean Basic lesson 1 | December 16, 2021 | 아이서당 |
| 4 | Video 1 | December 13, 2021 | iSeodang |
| 5 | Grammar 1(CN) | July 5, 2021 | 아이서당 |