Sergio Vieri
@p031606
Indonesia, Surabaya
Joined Apr 2016
World Rank: #1097 (25.3 points)
Institution: SMA INTAN PERMATA HATI
p031606
Activity over the last year
Effectiveness
- Problems solved
- 28
- Solutions submitted
- 84
Indonesia, Surabaya
Joined Apr 2016
World Rank: #1097 (25.3 points)
Institution: SMA INTAN PERMATA HATI
p031606