| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| English for computer science i. | 978-84-7721-150-1 (84-7721-150-7) | 1995 |
| English for computer science ii. | 978-84-7721-151-8 (84-7721-151-5) | 1995 |
| English for computer science i. keys. | 978-84-7721-192-1 (84-7721-192-2) | 1995 |