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Kostka education
03-06. September 2018.

Hungary

Kostka education
10-20. September 2018.

Italy

Kostka education
26-29. September 2018.

Poland

Kostka education
2-6. October 2018.

Serbia Individual

Kostka education
10-18. October 2018.

Russia

Kostka education
27-31. October 2018.

Serbia

Kostka education
1-4. November 2018.

Serbia Individual

Kostka education
17-24. November 2018.

Romania

Kostka education
29. November-2. December 2018.

Serbia Individual Poster

Kostka education
9-16. January 2019.

UK

Kostka education
4-7. February 2019.

Italy

Kostka education
8-11. February 2019.

Italy

Kostka education
25-29. February 2019.

Belgium

Kostka education
17-28. March 2019.

Argentina

Kostka education
17-21. May 2019.

Hungary

Kostka education
11-15. June 2019.

Serbia Exclusive Seminar

Kostka education
4-8. September 2019.

Group Seminar Romania

Kostka education
15-25. October 2019.

Group Seminar Romania

Kostka education
27-30. November 2019.

Group Seminar Belgium

Kostka education
1-8. February 2020.

Group Seminar Italy

Kostka education
26-31. March 2020.

Group Seminar Poland

Postponed because of Covid-19
Kostka education
16-19. April 2020.

Individual Seminar – Serbia

Postponed because of Covid-19
Kostka education
20-23. May 2020.

Group Seminar Italy

Postponed because of Covid-19
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