Biernat Jan ยท J.B.
| title | ISBN-13 | year of publication |
|---|---|---|
| Delphi 7 | 978-83-7279-338-6 | 2003 |
| Pisanie programow generujacych strony WWW w Delphi | 978-83-7279-396-6 | 2004 |
| Programy uzytkowe w Deplphi | 978-83-7279-359-1 | 2003 |
| Turbo Pascal 7.0. Cwiczenia z | 978-83-7279-410-9 | 2004 |