S.K. · S. Kim · SunHee Kim Gertz
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| K-Math Workbook Grade 6 | 978-0-9981298-6-0 (0-9981298-6-0) | 2016 | Jaehwa Choi · Kyongil Yoon |
| K-Math Workbook Grade 7 | 978-0-9981298-0-8 (0-9981298-0-1) | 2017 | Jaehwa Choi · Kyongil Yoon |