| Verfasser | Häufigkeit |
| Jabłoński, Ryszard |
3 |
| Balicki, Ryszard 1968- |
2 |
| Jabłoński, Mariusz 1970- |
2 |
| Brezina, Tomas |
1 |
| Grabowska, Sabina 1973- |
1 |
| International Conference on Global Research and Education Warschau |
1 |
| Jabłoński, Eugeniusz 1934- |
1 |
| Oleszyński, Ryszard |
1 |
| Szewczyk, Roman |
1 |