O.P. · Olga Parolkova · Parolkova O.
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Czech for Foreigners: Advanced Level v. 2 | 978-80-901739-5-8 | 1998 | |
| Czech for Foreigners: My Good Czech Companion | 978-80-901739-4-1 | 1998 | J. Novakova |
| Czech Verbs in Practice | 978-80-901739-8-9 | 2001 | |
| Czech Verbs in Practice | 978-80-901739-1-0 | 1997 | |