K. R. · K. Roberts · K. W.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Test Bank for Basic English Grammar | 978-0-13-343837-6 (0-13-343837-6) | 2000 | |
| Test Bank for Understanding & Using English Grammar, 4th Editon | 978-0-13-205214-6 (0-13-205214-8) | 2013 | Betty Schrampfer Azar |