Marcin Dobrowolski
@bwtzakippp
Poland, Kołobrzeg
Joined Oct 2016
World Rank: #122602 (0 points)
Institution: Zespół Szkół Ekonomiczno-Hotelarskich im. Emilii Gierczak
...
Activity over the last year
Effectiveness
- Problems solved
- 0
- Solutions submitted
- 0